Socrates Views On Socrates - 729 Words

To question what no man has questioned before, that is what we praise Socrates for. Socrates’ Philosophies grew out of his questioning of the social norm. Using this technique, he seems to always focus on three main aspects: justice, virtue, and morality. Socrates claims that he has no wisdom. He states, â€Å"I know I have no wisdom, great or small.† The world has an infinite number of possibilities and anything he declares understanding, is extremely minimal compared to the possibilities that exist in the world, there is so much out there that hasn’t been exposed yet. Socrates had many thoughts and ideas over things people never even took time to think about. He thought differently and always more intensely than others. Socrates says that knowledge is essential to a person. He concluded that a person’s evil and wrong actions come from their ignorance and their failure to investigate. He was also convinced that no one knowingly does wrong, if a person doe s not know what is right, then that person will do wrong, but in the other hand, if the person knows what is right, they will most definitely do right. He once mentioned that â€Å"the unexamined life is not worth living† introducing the idea of Universal Definitions, meaning although individual things may vary and be constructed differently the definitions of how they are similar, are permanent. The most important thing about Socrates was the fact that he was a teacher. He taught anywhere and everywhere, he even went up to people,Show MoreRelatedSocrates s Views On Socrates1314 Words   |  6 PagesSocrates could undeniably be described as one of the most influential philosophers and greatest thinker of his time. His views can be interpreted many different ways, but most would agree that he sought out wisdom and truth for the betterment of himself and his community. Though Socrates was one of the most intelligent men of his time, he was very foolish to never write his own book. For this reason, after his passing, one of his students, Plato, began to write a book about his teachings and ideasRead MoreSocrates World Views1549 Words   |  7 PagesSocrates Paper The goal of this paper is to discern and construct the world views of Socrates through the various readings, lectures and videos that we have seen in class. Some of these sources include: Socrates by G. Rudebusch; excerpts from The Last Days of Socrates by Plato; and The Allegory of a Cave. Of the nine world views covered in class, I will delve into my interpretation of four of them as seen through the various sources that we have been exposed to in class. These four world views willRead MorePlato s Views On Socrates928 Words   |  4 Pageson Socrates came from one of his own disciples, Plato. Plato’s writings are the reason Socrates is historical figure he is today, without them Socrates would have been nothing more than a minor presence (Navia 93). Plato’s writings are classified as either early, middle, or late. However, only the early writings best portray the real Socrates (Navia 105). These writings include the Euthyphro, Crito, Phaedo, and most importantly the Apology, which discusses the trial and execution of Socrates. SimilarlyRead MoreSocrates View Of Love Essays1049 Words   |  5 Pages A Different View of Love We have heard definitions of love through our lives that have been passed on for decades. Some of us have felt love, and some of us have been in love. But no one ever seems to question what love is, as if it is something that just plainly is. People tend to just go with it, and think that what they are feeling is really complete and substantial love. In Plato’s The Symposium, the reader is confronted with some very different views of love as brought to us by Agathon,Read MoreSocrates View On Death And The Soul1533 Words   |  7 Pagesthe idea of death. Socrates on the other hand was never once frightened about the idea of death. Throughout the Apology, one is able to clearly analyze Socrates’ view on death and the soul. The Apology is the actual speech delivered by Socrates during his death trial. In the jury system, an apology is composed of three parts: a speech, a counter-assessment, and some last final words. Socrates argument is that death should be a joyous time, especially for philosophers. Socrates claimed when we dieRead MoreSocrates And His Views Of Justice1656 Words   |  7 PagesJoshua Ayen PHIL100H Dr. Gottlieb 10/8/14 Socrates and His Views of Justice In Plato’s The Republic, there are several accounts of justice that are presented throughout the dialogue, especially in Book I. One of these accounts is presented by Socrates, in which he believes that justice is not harming anyone under any circumstances. Socrates first presents this argument when he questions if it is just to treat anyone badly (335b). Polemarchus, based on his account of justice – in which justice isRead MoreSocrates s View Of Justice1676 Words   |  7 Pages â€Å"But when Socrates was busying himself with ethical questions to the complete neglect of nature as a whole, and was seeking in them for the universal and directing the mind for the first time to definitions, Plato, accepting his teaching, came to the conclusion that it applied to something other than the sensible world: the common definition, he reasoned, could not apply to any of the sensible, since they were always changing,† (Guthrie). Socrates was constantly wrapped up in tho ught about how theRead MoreSocrates, Plato, and Aristotels View on Happiness1529 Words   |  7 Pageschoice, but what is it that their faith teaches them that brings them happiness? The Philosophers Socrates, Plato and Aristotle all have a similar view on what happiness is and how to achieve it. Aristotles view is based on Platos and Platos is based on Socrates teachings; this is why they are similar but they are all important and different with each philosophers personal views and beliefs. Socrates was a great man who was assassinated for his beliefs on the purpose of life and how to live happilyRead MoreSocrates s View Of Philosophical Thought983 Words   |  4 Pages Socrates was a novel philosopher who challenged the limitations of philosophical thought during his lifetime. More specifically, Socrates was a key proponent for the idea known as ‘Dualism’, in which the mind (Soul) and the body are not mutually exclusive entices, bur rather interact in a tangible manner in which they come to have a reciprocated relationship. Throughout many religions and spiritual movements, Socrates view of a interaction between the immortal soul and the physical body is evidentRead MoreSocrates And St. Augustines Views On Death1305 Words   |  6 Pagesunescapable, and by most of today’s population, it is feared in the utmost regard. Our materialistic views and constant desertion of religious ideals has forced our society to view death as an ultimate end. Socrates and St. Augustine’s views on death differ from many views on the subject in 2017, however, for their time, these men had the power to influence a plethora of individuals wit h their theories. For Socrates, death should never be feared and should be considered a blessing if our souls were to ascend

Adapting materials Free Essays

Adoption Concerns with whole course books. Adaptation Concerns the parts that make up that whole. A process of matching To maximize the appropriate of teaching materials In context. We will write a custom essay sample on Adapting materials or any similar topic only for you Order Now Evaluation for adapting materials An exercise to help to develop insights into different views of language and learning into the principle of materials design. Process of adaptation -Internal factors (what the material offers) Content Organization consistency Choice of topics Skills covered Proficiency level Grading of exercise External factors (what we have) Learner characteristics Physical environment Resources Class size Reasons for adapting Aim to make the materials more communicative and authentic Aspects of language use Skills Classroom organization Supplementary materials Principles and procedures -Adding, including expanding (qualitative) and extending (quantitative) Materials are supplemented by putting more into them. Extensions of an existing aspect of content and bringing a qualitative and quantitative change. Expanding adds methodology by moving outside It and impotent. Deleting or omitting Reducing the length of materials as subtracting from it. Small scale-over part of an exercise Large scale-whole unit of a course book Modifying An internal change in the approach or focus of an exercise. Rewriting modify linguistic content and make it more communicative relate activities more closely to learners’ own backgrounds and interests introduce models of authentic language set more purposeful tasks Restructuring classroom management design interactive exercise based on number of students and size of class Simplifying One type of modification, a ‘rewriting’ activity. Simplify instructions and explanation of exercises and activities and as well as layout of activities To make it becomes easier to be understood Simplification of content and the ways in which that content is presented This technique is mostly use for to reading passages to change various sentence-bound elements to match text more closely to the proficiency level of a particular group of learners. – One can simplify according to Sentence structure. Sentence length is reduced Complex sentence is rewritten as a number of simpler ones. Lexical content Number of new vocabulary items is controlled. Grammatical structures Passives are converted to actives. Reordering Adjusting the sequence of presentation within a unit. Taking units in a different sequence from that originally intended. Separating items of content from each other Regrouping them and putting them together Conclusion work more relevant to the learners. Reference McCullough, J. Shaw, C. (2003). Materials and methods in LET. (2nd De. ). Australia: Backfill Publishing. How to cite Adapting materials, Papers

Information Systems Management and Strategy (TA)

Question: To promote an understanding of the role of Information System (IS) in the strategic management and planning of an enterprise; To promote an understanding of the interaction of IT with the structure, operating principles and culture of an enterprise; To equip students with an understanding of the application of emerging Information Technologies in business processes. To promote an understanding of the need for, and the techniques of, introducing change and innovation into an organisation, especially the introduction or expansion of IT. To enable students to develop skills needed to design and model Decision Support Systems (DSS) for industrial computing applications. Answer: Introduction Statements that ideal financial commitment opportunities in technology (IT) are important to firms long-term success are now considered as truisms. The fact behind these truisms, however, is that IT financial commitment opportunities matter only as far as IT abilities become included in new business exercise Doherty and Terry, 2009) (Galliers and Currie, 2011) (Andersen and Vendel, 2004) (Peppard and Ward, 2004) (Overby, Bharadwaj and Sambamurthy, 2006). IS (Information Systems) techniques should therefore supplement high-level business financial commitment objectives and recognize IT-enabled business changes necessary to recognize them (Reich and Benbasat, 1996). While much attention is compensated to the task of aiming a firms ideal purpose with financial commitment opportunities in IT abilities (Chan and Reich, 2007) (Chan, Huff and Copeland, 1997) and the task of organizationally applying those IT abilities (Markus, 2004) (Orlikowski, 2000) however, few is still known of how to a pply the nearby ideal modify issue for IS technique exercise and research (Nolan, 2012) (Ward, 2012) (Galliers et al., 2012). To this end, we ask how and why effective business execution of new IT abilities that arrange with ideal purpose often results in surprising results (cf. Markus and Robey, 2004 and Robey and Boudreau, 1999) in that they don't succeed to generate designed ideal results (cf. Franz et al., 1986 and Robey, 1981). We brand this result technique blindness: the business incapability to recognize the ideal purpose of applied, available IT abilities. Adopting a strategy-as-practice viewpoint Jarzabkowski and Paul Spee, 2009), we concentrate on how located stars and connected business methods (Styhre, 2003) formed the execution of a new manufacturing control program. The results are unorthodox: Officially, the execution was effective as the program became included in business workouts and the work considered the execution as a success. Tactically, however, the execution unsuccessful, as it did not generate designed business change; instead of successfully using the new program to allow the new ideal purpose, the program was successfully applied to recreate current methods. Essentially, the company seems to be stubbornly and strategically sightless. The purpose is to understand this situation and discover why some companies become surrounded in technique loss of sight rather than advertising ideal modify. Related research In the latest evaluation, (Chen et al., 2010) recognized three chronic lengths within IS technique research (Galliers et al., 2014) (Ward and Peppard, 2002): Alignment of computer with business technique Strategic details program planning to recognize such domain portfolios of techniques and The resulting use of particular techniques, or their mixtures, for aggressive benefits Regardless of which string is being analysed, extant analysis represents that any IS technique will depend on the way it is introduced. It is therefore crucial to sustain limited linkages between the firms ideal purpose, the following IS technique execution and the de facto noticed technique. This indicates three key difficulties to effective IS technique implementation (Piccoli and Ives, 2005): To accomplish theoretical positioning between ideal purpose and program capabilities; To apply the program organizationally and To form the use of the program and relevant methods to accomplish realistic positioning with the ideal purpose. We evaluation each of these difficulties next. The ability to develop and sustain ideal purpose is main to any effective IS technique. An ideal purpose envisions a preferred management place and determines the requirements the company will use to graph its improvement (Hamel and Prahalad, 2005). Accordingly, companies that display a regular ideal purpose will spend their sources successfully and take part in aggressive actions that help accomplish their goals such as options of IT techniques and abilities (Thompson et al., 2010). While any large IS venture includes the set-up of program goals and choice of IT abilities necessary to accomplish preferred results (Keil, Mann and Rai, 2000), the first task features how chosen program goals and abilities do not always capable with the organizations ideal purpose (Mhring et al., 2004). Even when the chosen program abilities arrange with the recognized ideal purpose, however, the program execution itself often shows another ideal task (Galliers and Leidner, 2012) (Galliers and Leidner, 2003). Although obvious misalignments between ideal purpose and program abilities are obvious in several unsuccessful ideal IS implementations (Wagner and Newell, 2004), it is often the lack of ability to apply the strategically aligned program that causes an IS technique procedure to don't succeed. In a feeling, the idea of an effective business execution as aspect of an effective IS technique has been aspect of the key presumptions of IS technique literary works, though not always clearly mentioned. In fact, though unsuccessful, imperfect or insufficient implementations of IT techniques are plentiful in their ideal perspective (Leonard-Barton, 1988) (Soh and Sia, 2004) (Boudreau and Robey, 2005), IS technique literary works generally characterizes the execution as a necessary and un avoidable procedure of common variation towards ultimate ideal positioning. Trying to prevent associated problems, we contemplate the second ideal task as concerning the ability to apply the program both on time and with appropriate risk, and in ways that meet the objectives of customers. Due to the surprising ways in which IT becomes appropriated in regional exercise (Barley, 1986), however, not even an otherwise effective execution of a tactically arranged program can make sure that ideal intents happen. Knowing the crucial and complicated part that methods perform in forming how IT techniques are introduced is thus key for effective IS technique execution. Unfortunately, conceptualizations of ideal IT use within companies generally relax on the innocent supposition that, for the program to be tactically effective, the IT program must just be efficiently embedded in appropriate methods. Successful IS technique execution, however, progressively indicates punctuation i.e. methodical re-structuring and re-arranging of business methods (Henderson and Venkatraman, 1992). In circumstances recognized either by strong, surprising imbalance between inconsistent business components and the new IT program, or where regional methods proceed the same, positioning between the IT program and ideal purpose will never be achieved and the ideal IS execution will thus certainly don't succeed. Therefore, the third ideal task issues the business ability to create IT-enabled change: changing and re-configuring regional methods to arrange both program use and relevant business methods with the ideal purpose. While a significant task for the IS technique area will keep be that of working with the complexness of how each of these three difficulties perform out in powerful, networked financial and governmental circumstances (Merali, Papadopoulos and Nadkarni, 2012), we think that the last task is the least recognized. Although IS analysis has mostly did not identify this task in its own right, substitute theoretical presumptions, such as those provided by the strategy-as-practice viewpoint used here, keep great guarantee. In watching the IS technique procedure as a package of located, realistic achievements, it is indeed well prepared to elucidate the simple communications between difficulties on the one side and the realistic establishing on the other. In so doing, it can offer key ideas into how and why effective business execution of new and tactically arranged IT abilities sometimes is not able to convert current methods. To this end, we next evaluation the analysis on strategy-as-pract ice and talk about the idea of intellectual entrenchment (DANE, 2010), which we claim is a typical cause for the kind of ideal failing we contact technique loss of sight. Analysis By disagreeing that technique analysis has missing vision of humans (Whittington, 2003) and incorrectly decreased way to a few causally-related company and ecological factors (Jarzabkowski, Balogun and Seidl, 2007), the strategy-as-practice viewpoint indicates the need to comprehend why and what ideal stars do as they build, apply and recognize ideal intents; scientists have, for example, generally examined how these procedures are formed by actors feelings, inspirations and public and governmental communications and the circumstances in which they act (Whittington, 2006). Against this background, the strategy-as-practice viewpoint guides interest to the exercise of technique strategizing and the methods stars attract upon to rationalize and legitimize both the long run state they aim to carry and the actions they take to accomplish this end. The strategy-as-practice viewpoint resonates with latest components of IS technique analysis which strengthen the concept that IT issues only when it becomes included in local methods. As exercise, IS technique looks for to recognize the prospective value of IT by re-defining and re-focusing the part of IT within companies. In so doing, methods often have to be re-configured in order for value to be noticed; indeed, extant analysis keeps that company value based on IT investment strategies mainly comes out through company changes and relevant enhancements (Grover and Kohli, 2012) (Mathiassen and Srensen, 2008). As the ideal part of IT progressively changes from assisting company methods to enabling strong company modify, knowing how and why IT becomes regionally included in a particular way is therefore an increasing issue. It is against this background that we ask how and why some companies don't succeed to generate company modify despite having efficiently applied new ideal IT. In this document, we increase the intellectual creating literary works by spending particular interest to the concept of intellectual entrenchment. (DANE, 2010) described intellectual entrenchment as an advanced stage of balance in an actors sector schemata. In the same way, (Sanger and Singh, 2012) considered it as the lack of ability to unfreeze schemata that damage decision-making. Entrenchment is, thus, a situation in which set, constant supports create methods sightless to changes in their atmosphere. As schemata create over time, entrenchment can be associated with balance and fixity of practices; recurring initial of a particular schema tends to strengthen the framework and creates upcoming modifications progressively unlikely (Fiske and Taylor, 1984). While such normative positioning of believed and activity may be unproblematic or even valuable in constant surroundings (Feltovich, Ford and Hoffman, 1997), or to companies that aim to secure culturally normative styles of cons idering (Dane, 2010), entrenchment can be expensive when versatility is required, as is generally the situation with ideal modify. Indeed, as schemata impact how stars think about activities (Cooper and Shallice, 2006) (Henderson and Hollingworth, 1999), intellectual entrenchment prevents troubleshooting, regional variation and innovative concept creation (Dane, 2010). Accordingly, intellectual entrenchment can generate important limitations to business modify and, consequently, the knowing of ideal purpose. By connecting constant methods to set interaction, details and definitions, these intellectual records speak out loud with seminal exercise records. Indeed, actors schemata cannot quickly be divided from exercise as contained in the knowing that arrange an exercise are those conceptual knowing, given which the definitions of the companies organized in the exercise are instituted. From an exercise viewpoint, intellectual entrenchment may, then, be a key to knowing how and why technique loss of sight is produced; it allows comprehend how and why ideal IT techniques are applied and consequently used in methods that don't succeed to generate the designed ideal results. Discussion The multi-dimensional, practice-based perspective of IS technique has several effects. First, it enhances and expands the literary works on IS technique by outlining the complicated complications engaged in IS technique exercise. Despite being an important task to IS technique, IS literary works has not effectively included the fact that ideal purpose is not always noticed, even when the program is tactically arranged and the IT execution is effective (Robey, Ross and Boudreau, 2002). This document demonstrates how intellectual entrenchment and associated fixity of located methods can greatly affect the methods in which change-recipients such as venture groups structure, and thus deal with, the designed modify and how this, in turn, may shape the execution and following IT use in methods that make technique problems despite effective execution of tactically arranged techniques. Having shown the ability of the theoretical perspective to account for the real-world complexness of the IS technique execution, we indeed wish that we have motivated further research of ideal IS implementations as unfolding, included procedures, inseparable from the methods they aim to modify. Second, process sectors are, for explanations, often risk-averse. A risk-averse social DNA might confirm particularly complicated when applying techniques that require changes in complicated techniques of exercise such as extremely interdependent, reliable procedures. Indeed, at the same time undetermined, the research indicates a connection between high levels of conservatism and intellectual entrenchment (Dane, 2010). These results are reliable with past analysis displaying that, where threats surpass benefits, changes are likely to be opposed (Beaudry and Pinsonneault, 2005) and that culturally normative methods will be secured (Dane, 2010). As modify actually happens upon threat, this indicates a continuous trade-off between program execution threat and technique understanding, another area where this research and its associated strategy-as-practice perspective of IS technique reveals up effective places for further analysis. Last, we promote IS technique exercise by characterizing IS technique multi-dimensionally and indicating how companies need to consider all measurements in their IS technique exercise. Although the research provides with one specific commercial IT program, the results provide useful generalizable ideas for other IS technique projects. This contains the conceptualization of technique loss of sight as a serious, but under-appreciated issue, along with the associated conceptualization of three important difficulties that strategists have to get over during IS technique execution. By unpacking these measurements, this document also provides wealthy base for further theorizing. While an exercise lens may help us better understand each of these difficulties in solitude, we claim that it can be particularly beneficial in proposition out the reasons that occur across the different size of ideal IS execution as they interact with business exercise. Thus, the design both features and reveals s everal effective places for further practice-oriented analysis within the IS strategy-as-practice flow. As an example, discovering the procedures by which technique loss of sight is (re)produced and the means by which it can be prevented or settled provides exciting possibilities for upcoming IS technique analysis. More analysis is thus needed to make the ideas we have offered here, both conceptually and with regards to realistic effects. Conclusions This analysis reveals an unfolding shift in the way in which IS technique is designed. This shift can be considered in at least two methods. First, IS technique, as we know it, is at possibilities with the growing scenery of IS strategy-as-practice. If the area is to progress and completely appreciate the reasons engaged in IS technique execution, a multi-dimensional perspective of IS technique is required. While pleasant additions, we believe that we have made some useful actions toward conceptualizing such a perspective. Second, the shift indicates a wealthy chance of upcoming analysis. In particular, there is a need for longitudinal research analysing IS strategy-as-practice as designed here. This research recognizes several places for such analysis and, through cases, reveals how the perspective designed herein can be used to produce novel, exciting ideas. Indeed, we desire to see a flow of practice-based analysis appear that looks into the difficulties that we have only started to discover. References [1] Andersen, K. and Vendel, M. (2004). The past and future of information systems. Oxford: Elsevier.[2] Barley, S. (1986). Technology as an Occasion for Structuring: Evidence from Observations of CT Scanners and the Social Order of Radiology Departments. Administrative Science Quarterly, 31(1), p.78.[3] Beaudry, A. and Pinsonneault, A. (2005). Understanding user responses to information technology: a coping model of user adaptation. MIS Quart., 29(3), pp.493-524.[4] Boudreau, M. and Robey, D. (2005). Enacting Integrated Information Technology: A Human Agency Perspective. Organization Science, 16(1), pp.3-18.[5] Chan, Y. and Reich, B. (2007). IT alignment: what have we learned?. J Inf Technol, 22(4), pp.297-315.[6] Chan, Y., Huff, S. and Copeland, D. (1997). Assessing realized information systems strategy. The Journal of Strategic Information Systems, 6(4), pp.273-298.[7] Chen, D., Mocker, M., Preston, D. and Teubner, A. (2010). Information systems strategy: reconceptualization, meas urement and implications. MIS Quart, 34(2), pp.233259.[8] Cooper, R. and Shallice, T. (2006). Hierarchical schemas and goals in the control of sequential behavior. Psychological Review, 113(4), pp.887-916.[9] DANE, E. (2010). RECONSIDERING THE TRADE-OFF BETWEEN EXPERTISE AND FLEXIBILITY: A COGNITIVE ENTRENCHMENT PERSPECTIVE. Academy of Management Review, 35(4), pp.579-603.[10] Doherty, N. and Terry, M. (2009). The role of IS capabilities in delivering sustainable improvements to competitive positioning. The Journal of Strategic Information Systems, 18(2), pp.100-116.[11] Feltovich, P., Ford, K. and Hoffman, R. (1997). Expertise in context. Menlo Park, Calif.: AAAI Press.[12] Fiske, S. and Taylor, S. (1984). Social cognition. Reading, Mass.: Addison-Wesley Pub. Co.[13] Galliers, R. and Currie, W. (2011). The Oxford Handbook of Management Information Systems. Oxford: OUP Oxford.[14] Galliers, R. and Leidner, D. (2003). Strategic information management. Oxford: Butterworth-Heinemann.[1 5] Galliers, R. and Leidner, D. (2012). Strategic Information Management. Hoboken: Taylor Francis.[16] Galliers, R., Jarvenpaa, S., Chan, Y. and Lyytinen, K. (2012). Strategic information systems: Reflections and prospectives. The Journal of Strategic Information Systems, 21(2), pp.85-90.[17] Galliers, R., Leidner, D., Leidner, D. and Galliers, R. (2014). Strategic information management. London: Routledge, Taylor and Francis.[18] Grover, V. and Kohli, R. (2012). Cocreating IT value: new capabilities and metrics for multifirm environments. MIS Quart., 36(1), pp.225232.[19] Hamel, G. and Prahalad, C. (2005). Strategic intent. Harvard Bus. Rev., 83(7), pp.148161.[20] Henderson, J. and Hollingworth, A. (1999). HIGH-LEVEL SCENE PERCEPTION. Annu. Rev. Psychol., 50(1), pp.243-271.[21] Henderson, J. and Venkatraman, N. (1992). Strategic alignment: a model for organizational transformation through information technology. New York: Oxford University Press, pp.97116.[22] Jarzabkowski, P. and Paul Spee, A. (2009). Strategy-as-practice: A review and future directions for the field. International Journal of Management Reviews, 11(1), pp.69-95.[23] Jarzabkowski, P., Balogun, J. and Seidl, D. (2007). Strategizing: The challenges of a practice perspective. Human Relations, 60(1), pp.5-27.[24] Keil, M., Mann, J. and Rai, A. (2000). Why Software Projects Escalate: An Empirical Analysis and Test of Four Theoretical Models. MIS Quarterly, 24(4), p.631.[25] Leonard-Barton, D. (1988). Implementation as mutual adaptation of technology and organization. Research Policy, 17(5), pp.251-267.[26] Mhring, M., Holmstrm, J., Keil, M. and Montealegre, R. (2004). Trojan actorà ¢Ã¢â€š ¬Ã‚ networks and swift translation. Information Technology People, 17(2), pp.210-238.[27] Markus, M. (2004). Technochange management: using IT to drive organizational change. J Inf Technol, 19(1), pp.4-20.[28] Mathiassen, L. and Srensen, C. (2008). Towards a theory of organizational information services. J In f Technol, 23(4), pp.313-329.[29] Merali, Y., Papadopoulos, T. and Nadkarni, T. (2012). Information systems strategy: Past, present, future?. 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Measuring the Linkage between Business and Information Technology Objectives. MIS Quarterly, 20(1), p.55.[36] Robey, D., Ross, J. and Boudreau, M. (2002). Learning to implement enterprise systems: an exploratory study of the dialectics of change. J. Manage. Inform. Syst., 19(1), pp.17-46.[37] Sanger, S. and Singh, J. (2012). Breaking free: understanding leadership entrenchment and disruptive strategies. 2nd International Conference on Engaged Management Scholarship.[38] Soh, C. and Sia, S. (2004). An institutional perspective on sources of ERP packageorganisation misalignments. The Journal of Strategic Information Systems, 13(4), pp.375-397.[39] Styhre, A. (2003). The practice turn in contemporary theory. Scandinavian Journal of Management, 19(3), pp.395-398.[40] Wagner, E. and Newell, S. (2004). Best for whom?: the tension between best practice ERP packages and diverse epistemic cultures in a university context. The Journal of Strategic Information Systems, 13(4), pp.305-328.[41] Ward, J. (2012). Information systems strategy: Quo vadis?. The Journal of Strategic Information Systems, 21(2), pp.165-171.[42] Ward, J. and Peppard, J. (2002). Strategic planning for information systems. Chichester, West Sussex, England: J. Wiley.[43] Whittington, R. (2003). The work of strategizing and organizing: for a practice perspective. Strategic Organization, 1(1), pp.117-125.[44] Whittington, R. (2006). Completing the Practice Turn in Strategy Research. Organization Studies, 27(5), pp.613-634.

May 31, 2000 Essays - Irregular Bones, Skeletal System,

May 31, 2000 Comm 101 Topic: New ways to aid in nerve regeneration. General Purpose: To inform Specific Purpose: To inform the audience about news techniques and mechanisms that aid in nerve regeneration. Central Idea Statement: The new techniques for nerve regeneration involving magnetic, electrical, and chemical mechanisms look very promising. INTRODUCTION I. The site is rather common: someone in a wheel chair unable to use their lower body, or worse, unable to function from their neck down because of an accident. You may even know one of these people. They all have one thing in common: spinal nerve injury. To the majority of us, one of the more famous and recent cases involving spinal trauma is that of Christopher Reeve, known to most of us as Superman. Reeve was riding his horse when he fell off, landed on the back of his head and twisted his neck. His spine was damaged near the second cervical vertebrae; that being two vertebrae away from the base of the skull. He states that after his accident he saw a handbook written in 1990 that didn't even mention anyone higher than [the fourth cervical vertebrae] because 70 percent of them didn't live longer than five days. I am very lucky my injury happened at a time when treatment and surgery had improved. Dr. Cotman from UCI, who worked with Reeve says that Reeve remains optimistic that a c ure is only a few million dollars away. II. Prior to the end of the Second World War, if a person survived a severe spinal cord injury, the injury still usually resulted in their early death. This was because of complications that accompanied the injury, such as infections to the kidneys and lungs. Though the development of new antibiotics has greatly improved life expectancy, until recently medical science had not been able to restore nerve function. III. According to researchers at the University of Alabama using data from the regional SCI Centers, there are 7,800 traumatic spinal cord injuries each year in the US. Yet these numbers do not represent accurate figures since 4,860 per year, die before reaching the hospital. Current estimates are that 250,000-400,000 individuals live with spinal cord injury or dysfunction; forty-four percent of these occur in motor vehicle accidents. More than half of these injuries occur to individuals who are single, and more than 80% of these individuals are male. IV. Within the last five years, a great many things have been happening in the area of neurological research. Research and treatment involving spinal and nerve injury has progressed considerably. In this speech I will inform you on the new and promising techniques that are currently undergoing testing for human treatment, in terminology that we will be able to understand. BODY I. The nervous system consists of the brain, spinal cord, and all branching nerves. There are two parts: the central nervous system, or CNS, and the peripheral nervous system, or PNS. The CNS, consists of the brain and spinal cord, while the PNS involves all the nerves that branch off from the spinal cord to the extremities. A. When the spine is crushed or bent in an extreme accident, the spinal cord inside is severely bruised and compressed, causing localized injury and death to many of the nerve cells and their fibers. Some of injured nerves fibers survive intact, but lose their electrical insulation, or myelin, over the very short distance of the injury zone. Nerve impulses are blocked at this point. 1. The myelin is the part of the nerve that actually transfers the electrical signal that enables your muscles to move when you want them to move. B. Nerves regenerate at the rate of about a cm a month. Keep in mind that not all nerves can regenerate (the spinal cord is a prime example) and if a nerve is too damaged or is severed it cannot come back C. Peripheral nerves will regenerate to a certain extent on their own, but they don't regenerate over very long distances. D. The big problem with treating spinal injuries is the fact that mature nerve tissue does not spontaneously regenerate. II. The three basic ways to treat nerve damage are: first, produce regeneration of the remaining segment of a nerve fiber, or make new connections on the other side of

Write My Article Critique Assistance Online

Write My Article Critique Assistance Online Write My Article Critique Write My Article Critique Many students find it difficult to cope with their task of article critique writing. This way or another, sooner or later they are assigned with this type of paper writing and then comes the worst: sleepless nights, stress, and anxiety. Article critique writing is one of the most difficult writing tasks, as it requires not only superb writing skills but also an ability to read between lines. Still, there is always a way out for you! All you have to do is to say, Write my article critique and we will be there for you. The problem with critique writing is that the students do not understand its purpose in most cases. They tend to summarize the content of the article without providing critique of the content. The ability to think critically, be objective, attentive to details are only a few skills a writer should possess while writing article critique. 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USS Hornet (CV-8) in World War II

USS Hornet (CV-8) in World War II USS Hornet (CV-8) was a Yorktown-class aircraft carrier that entered service with the U.S. Navy in 1941. The last ship of its class, Hornet earned famed in April 1942 when Lieutenant Colonel Jimmy Doolittle launched his famed raid on Japan from the carriers deck. Less than two months later, it took part in the stunning American victory at the Battle of Midway. Ordered south in the summer of 1942, Hornet commenced operations to aid Allied forces during the Battle of Guadalcanal. In September, the carrier was lost at the Battle of Santa Cruz after sustaining several bomb and torpedo hits. Its name was carried on by a new USS Hornet (CV-12) which joined the fleet in November 1943. Construction Commissioning The third and final Yorktown-class aircraft carrier, USS Hornet was ordered on March 30, 1939. Construction began at the Newport News Shipbuilding Company that September. As work progressed, World War II commenced in Europe though the United States elected to remain neutral. Launched on December 14, 1940, Hornet was sponsored by Annie Reid Knox, wife of Secretary of the Navy Frank Knox. Workers completed the ship later the following year and on October 20, 1941, Hornet was commissioned with Captain Marc A. Mitscher in command. Over the next five weeks, the carrier conducted training exercises off the Chesapeake Bay. USS Hornet (CV-8) underway in Hampton Roads, VA, October 1941. National Archives and Record Administration   World War II Begins With the Japanese attack on Pearl Harbor on December 7, Hornet returned to Norfolk and in January had its anti-aircraft armament substantially upgraded. Remaining in the Atlantic, the carrier conducted tests on February 2 to determine if a B-25 Mitchell medium bomber could fly from the ship. Though the crew was perplexed, the tests proved successful. On March 4, Hornet departed Norfolk with orders to sail for San Francisco, CA. Transiting the Panama Canal, the carrier arrived at Naval Air Station, Alameda on March 20. While there, sixteen U.S. Army Air Forces B-25s were loaded onto Hornets flight deck. USS Hornet (CV-8) Nation: United StatesType: Aircraft CarrierShipyard: Newport News Shipbuilding Drydock CompanyLaid Down: September 25, 1939Launched: December 14, 1940Commissioned: October 20, 1941Fate: Sunk October 26, 1942SpecificationsDisplacement: 26,932 tonsLength: 827 ft., 5 in.Beam: 114 ft.Draft: 28 ft.Propulsion: 4 Ãâ€" Parsons geared steam turbines, 9 Ãâ€" Babcock Wilcox boilers, 4 Ãâ€" shaftsSpeed: 32.5 knotsRange: 14,400 nautical miles at 15 knotsComplement: 2,919 menArmament8 Ãâ€" 5 in. dual purpose guns, 20 Ãâ€" 1.1 in., 32 Ãâ€" 20 mm anti-aircraft cannonsAircraft90 aircraft Doolittle Raid Receiving sealed orders, Mitscher put to sea on April 2 before informing the crew that the bombers, led by Lieutenant Colonel Jimmie Doolittle, were intended for a strike on Japan. Steaming across the Pacific, Hornet united with Vice Admiral William Halseys Task Force 16 which was centered on the carrier USS Enterprise (CV-6). With Enterprises aircraft providing cover, the combined force approached Japan. On April 18, the American force was spotted by the Japanese vessel No. 23 Nitto Maru. Though the enemy vessel was quickly destroyed by the cruiser USS Nashville, Halsey and Doolittle were concerned that it had sent a warning to Japan. B-25 takes off from USS Hornet (CV-8). National Archives Records Administration Still 170 miles short of their intended launch point, Doolittle met with Mitscher, Hornets commander, to discuss the situation. Emerging from the meeting, the two men decided to launch the bombers early. Leading the raid, Doolittle took off first at 8:20 a.m. and was followed by the rest of his men. Reaching Japan, the raiders successfully struck their targets before flying on to China. Due to the early departure, none possessed the fuel to reach their intended landing strips and all were forced to bail out or ditch. Having launched Doolittles bombers, Hornet and TF 16 immediately turned and steamed for Pearl Harbor. Midway After a brief stop in Hawaii, the two carriers departed on April 30 and moved south to support USS Yorktown (CV-5) and USS Lexington (CV-2) during the Battle of the Coral Sea. Unable to reach the area in time, they diverted towards Nauru and Banaba before returning to Pearl Harbor on May 26. As before, the time in port was short as the Commander-in-Chief of the Pacific Fleet, Admiral Chester W. Nimitz ordered both Hornet and Enterprise to block a Japanese advance against Midway. Under the guidance of Rear Admiral Raymond Spruance, the two carriers were later joined by Yorktown. With the beginning of the Battle of Midway on June 4, all three American carriers launched strikes against the four carriers of Vice Admiral Chuichi Nagumos First Air Fleet. Locating the Japanese carriers, the American TBD Devastator torpedo bombers began attacking. Lacking escorts, they suffered heavily and Hornets VT-8 lost all fifteen of its aircraft. The sole survivor of the squadron was Ensign George Gay who was rescued after the battle. With the battle progressing, Hornets dive bombers failed to find the Japanese, though their compatriots from the other two carriers did with stunning results. In the course of the fighting, Yorktowns and Enterprises dive bombers succeeded in sinking all four Japanese carriers. That afternoon, Hornets aircraft attacked the supporting Japanese vessels but with little effect. Two days later, they aided in sinking the heavy cruiser Mikuma and badly damaging the heavy cruiser Mogami. Returning to port, Hornet spent much of the next two months being overhauled. This saw the carriers anti-aircraft defenses further augmented and the installation of a new radar set. Departing Pearl Harbor on August 17, Hornet sailed for the Solomon Islands to aid in the Battle of Guadalcanal. Battle of Santa Cruz Arriving in the area, Hornet supported Allied operations and in late September briefly was the only operational American carrier in the Pacific after the loss of USS Wasp (CV-7) and damage to USS Saratoga (CV-3) and Enterprise. Joined by a repaired Enterprise on October 24, Hornet moved to strike a Japanese force approaching Guadalcanal. Two days later saw the carrier engaged in the Battle of Santa Cruz. In the course of the action, Hornets aircraft inflicted severe damage on the carrier Shokaku and heavy cruiser Chikuma USS Hornet under attack during the Battle of Santa Cruz, 1942. US Naval History Heritage Command These successes were offset when Hornet was struck by three bombs and two torpedoes. On fire and dead in the water, Hornets crew began a massive damage control operation which saw the fires brought under control by 10:00 a.m. As Enterprise was also damaged, it began to withdraw from the area. In an effort to save Hornet, the carrier was taken under tow by the heavy cruiser USS Northampton. Only making five knots, the two ships came under attack from Japanese aircraft and Hornet was hit by another torpedo. Unable to save the carrier, Captain Charles P. Mason ordered abandon ship. After attempts to scuttle the burning ship failed, the destroyers USS Anderson and USS Mustin moved in and fired over 400 five-inch rounds and nine torpedoes into Hornet. Still refusing to sink, Hornet was finally finished off after midnight by four torpedoes from the Japanese destroyers Makigumo and Akigumo which had arrived in the area. The last U.S. fleet carrier lost to enemy action during the war, Hornet had only been commission one year and seven days.

The qualities of the hero and antihero Essay Example | Topics and Well Written Essays - 1000 words

The qualities of the hero and antihero - Essay Example Playing the hero, Indiana Jones is an idealist. He starts a principled journey against the powerful Nazis and their leader Adolf Hitler in search of the Ark of the Pledge. Indy stands up to bad guys, Nazi thugs, who are determined to acquire the ark. He sacrificed himself against great odds. For instance he compromised his distress of snake in order to acquire the ark. Indiana role as a hero also demonstrates when he rescues Marion and reclaims the ark from Belloq and the Dietrich. Jones is always pro-active and makes effective decisions. For instance, when he surrenders rather than destroy the ark, an important historical artifact, now in the possession of Belloq. Indiana always succeeded in his goals, which is a true definition of a hero. He managed to keep the agreement out of the reach of the Nazis. Playing the role of an anti-hero in the movie Payback, Mel Gibson (Porter) is a realist. Porter is a criminal: a killer, a thief, a thug, a gambler, a cheater, and a liar. He murdered many, including Resnick and Philip. Self-interest drives him as shown when he narrated; he had $70,000 robbed from him, and that is what he desires to get back The heroism in him demonstrates through the vengeance mentality. He stands up to authority in tracking the money that had passed into the hands of "the Outfit". In order to reach Resnick, the Porter first dealt with Arthur Stegman, the Chinese trios, crime bosses from the Outfit, and the unethical police detectives Leary an d Hicks. Most notably as an antihero, Porter eventually fails in his goal of reclaiming the money. Harrison Ford depicted as Indiana Jones is evidently a masculine character. Indiana shows heroism through the enormous resources he possesses for the use of the gun, fists and whip when relevant. Indiana also demonstrates the character of a rebel. In a general view, Indiana

Introduction to the Criminal Justice System Essay

Introduction to the Criminal Justice System - Essay Example The authority of the agencies involves law deception and law exemption, secret police and other law issues outside power and control of the local law enforcement agencies. The Office of the United States Attorneys is an important body as it represents such institutions as federal government in US district court and the court of appeal. From this perspective, federal law enforcement is essentially a straightforward matter: the law and common sense are all that are required. Bittner remarked that organizations are 'permanently flooded with petty military and bureaucratic regulations' Legalism is closely linked to the conception of police organizations as effective bureaucracies. The federal judiciary consists of the Circuit Courts and permanent appellate court for each circuit. Today, 94 courts are established around the country. The federal judiciary is headed by the chief judge of the court of appeal. There are 12 circuits in the USA, and each of these courts has its own court of appeal. This can get complicated because more than one person may have control over an area. People unfamiliar with the legal system may also find the concept of standing complicated. Generally, people must have had their own rights violated before they can object in court (Koletar, 2005).

Analyzing a Written Essay Essay Example for Free

Analyzing a Written Essay Essay The two essays that I read were â€Å"A Soul as Free as the Air: About Lucy Stone† and, â€Å"How to succeed as an Online Student†. The four types of essay organization discussed in the course readings were; 1. Topic: This development organizes information about the topic in the most logical way. 2. Time order: It is using sequential order to write an essay. It organizes the information from one time period to another. 3. Space order: This deals with location of people, places or things. 4. Informative process: This is written in a step-by-step arrangement in their natural occurring order. The characteristics that make these essays expository, is that it has facts to inform about the topic. It is used in facts form and not biased.  What distinguishes space organization from time organization or informative-process organization in an essay is that Space order deals with location, Time organization refers to placing information in chronological order by date or a specific time, and Informative essay would be one that takes on a step-by-step process. The organization of each essay help the reader understand the subject matter of that essay in the essay â€Å"How to Succeed as Online Student†, it list steps to teach online students what it takes to be successful in an online atmosphere. The reader understands you must follow these steps to succeed. On the essay, â€Å"A Soul as Free as the Air: About Lucy Stone† it helped to learn about Lucy Stone, it showed the order of her achievements. On the essays that I read, the one that has the most effective organi zation was â€Å"A Souls as Free as the Air: About Lucy Stone†. I chose this essay, because it was organized from the beginning to the end, it was in the order of each of her achievements. A different type of organizational style for â€Å"How to Succeed as Online Student† if you change it to a time order or space order, then it would confuse some of the online students. The main part would be lost in the reading. It would definitely have students wanting to go to class instead of online, so the teacher could clarify things. The type of essay organization that is more suitable for my essay topic on â€Å"Warming Global; Drought,† would be Time Order, due to the heat and water levels at the time.

The Symbolic Use of Hunger in Literature :: essays research papers

The symbolic use of hunger in literature   Ã‚  Ã‚  Ã‚  Ã‚  Throughout history, both men and women have struggled trying to achieve unattainable goals in the face of close-minded societies. Authors have often used this theme to develop stories of characters that face obstacles and are sometimes unable to overcome the stigma that is attached to them. This inability to rise above prejudice is many times illustrated with the metaphor of hunger. Not only do people suffer from physical hunger, but they also suffer from spiritual hunger: a need to be full of life. When this spiritual hunger is not satisfied, it can destroy a life, just as physical hunger can kill as well. Characters such as Edna Pontellier of Kate Chopin's The Awakening, Hugh Wolfe of Rebecca Harding Davis' Life in the Iron Mills, Jane Eyre of Charlotte Bronte's novel, and the woman being force fed in Djuna Barnes' How It Feels to Be Forcibly Fed all suffer from an insatiable hunger, which, in most cases, ultimately is not fulfilled. Poets such as Anna Wickham also describe the plight of humanity using hunger as a means to illustrate the feeling of deprivation. Although all of these characters come from different walks of life, they share a common struggle. Edna belongs to upper class Creole society, Hugh Wolfe is a poverty-stricken immigrant laborer, and Jane Eyre, an orphan. These characters lived during the middle to the end of the nineteenth century, in completely distinct worlds, yet all had their creativity stifled by society. Similarly, Djuna Barnes poem of the British woman who goes on a hunger strike in an attempt to get the vote and Anna Wickham's poem The Affinity describin g the angst of a deprived wife, both depict women who lived during the early twentieth century and, although different, were both suppressed in some way. Edna Pontellier was a woman who was forced to comply with the rules of Creole society, but, in being reluctant to do so, found herself in a world where she felt trapped. She saw how women were supposed to behave but did not have that behavior instilled in herself. She felt confined by her husband's expectations, and did not want to live out the typical role of wife and mother. When Robert came into her life, she began to feel that she was being 'awakened.'; She was beginning to experience life in a new light and the hunger for change began to emerge.

Vertical Unfired Pressure Vessel Components Engineering Essay

The American Society of Mechanical Engineers was organized in 1880 as an educational and proficient society of mechanical applied scientists. After old ages of development and public remark, the first edition of the Code, ASME Rules of Construction of Stationary Boilers and for Allowable Working Pressures, was published in 1914 and officially adopted in the spring of 1915. The first Code regulations for force per unit area vass, entitled Rules for the Construction of Unfired Pressure Vessels, followed in 1925. From this simple get downing the Code has now evolved into the present 11 Section papers, with multiple subdivisions, parts, subdivisions, and compulsory and non-mandatory appendices. Almost all force per unit area vass used in the procedure industry in the United States are designed and constructed in conformity with Section VIII Division 1. In this undertaking, some general constructs standards related to ASME Code Section VIII are discussed. These include allowable emphasis, factors of safety, joint efficiency and force per unit area testing. The aim of this undertaking is to plan and analysis Unfired Vertical Pressure Vessel based on ASME Code Section VIII Division 1 and criterions. This undertaking merely concerned to plan chief portion of force per unit area vas like shell, caputs, noses and supports. The regulations in Section VIII Division 1 do non cover all applications and constellations such as planing leg supports. When the regulations are non available, another method must be used.Problem statementThe force per unit area vass that non follow any standard codifications can be really unsafe. In fact many fatal accidents have occurred in the history of their operation and development. They are many criterions and codifications that vary from state to state. The common criterions and codifications that have been used are ASME Boilers and Pressure Vessel Codes, API Standards, PD5500, British Standards, European Codes and Standards and other Intern ational Codes. Even though there are computing machine assisted force per unit area vas design available in the market, but due to concern benefit, the system may non be salable or pricey. In add-on the expression and constructs applied in the system are ever unknown by the users.Research rangeThis undertaking focuses on design and analysis of Unfired Vertical Pressure Vessel based on ASME Code Section VIII Division 1. Based on this codification, force per unit area vass are application for the containment of internal and external force per unit area up to 3000 pounds per square inch. This force per unit area could be obtained from an external beginning or by the application of heat from a direct or indirect beginning or any combination of them. The ASME Code is building codification for force per unit area vas and contains demands, specific prohibitions ; and non-mandatory counsel for force per unit area vas stuffs, design, welding and proving. To guarantee the aim of this undertak ing is achieved, some of the of import elements must be consider. There is: Planing chief constituents of Unfired Vertical Pressure Vessel by refer to ASME Code Section VIII Division 1 and criterions. Analysis of maximal stress value of chief constituents of force per unit area vas by finite component utilizing ANSYS package.Aims of UndertakingThe intent of this undertaking is to plan and analysis of Vertical Unfired Pressure Vessel based on ASME Code Section VIII Division 1. This research worker points two aims to be achieved at the terminal of this research. The aims are: 1. To plan Vertical Unfired Pressure Vessel constituents based on ASME Code VIII Division 1 and Standards. 2. To analyse maximal tantamount emphasis ( von-Misses ) , maximal shear emphasis, maximal distortion and safety factor in shell by finite component utilizing ANSYS package.Significance of surveiesThe undertaking will convey a great important non merely for the fertiliser industry but besides to the all the fabrication sector that used a assorted force per unit area vas for day-to-day operation. Nowadays, most the fabrication industry in Malaysia which used force per unit area vas for operational intent depends on their country of application. As a consequence, their operation, design, industry is regulated by technology governments backed up by Torahs. All force per unit area vass are manufactured with the maximal safe operating force per unit area and temperature. By finishing this undertaking, pupil will derive exposure to the ASME codification and criterions.Chapter 2.0LITERATURE REVIEW2.1 IntroductionThe force per unit area vass such as cylinder, grapevine or armored combat vehi cles are design and concept to hive away gas or fluids under force per unit area. The gas or fluid that being stored may be through alteration of province inside the force per unit area vas, for illustration instance of steam boilers or it might unite with other reagents, such as a chemical works. The force per unit area vass must plan with a perfect attention because cleft of force per unit area vass will do an detonation which may do of decease and loss of belongings. The stuff that be used to build force per unit area vass may be malleable such as mild steel or brittle such that dramatis personae Fe. In by and large, force per unit area vass and others storage armored combat vehicle such as hydraulic cylinders, gun barrels, pipes, boilers and armored combat vehicles are of import to the chemical, crude oil, petrochemical, atomic industries and so on. Chemical reactions, separations, and storage of natural stuffs ever occur in this category of equipment. By and large, pressurized equipment is required and been used for a wide scope of industrial works for storage and fabrication intents [ 1 ] .2.2 Types of Pressure VesselThe size and geometric signifier of force per unit area vass diverge greatly from the big cylindrical vass used for high-pressure gas storage to the little size used as hydraulic units for aircraft. Some of the vass are buried in the land or deep in the ocean, but most are positioned on land or supported in platforms. There are chiefly two types of force per unit area vass normally available in industry:Spherical Pressure VesselThis type of force per unit area vass are known as thin walled vass. This forms the most typical application of plane emphasis. Airplane of emphasis is a category of common technology jobs affecting emphasis in a thin home base. Spherical vass have the advantage of necessitating dilutant walls for a given force per unit area and diameter than the tantamount cylinder. Therefore they are used for big gas or liquid conta iners, gas-cooled atomic reactors, containment edifices for atomic works, and so on. Degree centigrades: Userszalie87Desktopspherical force per unit area vas 2.jpg Figure 2.1 Spherical Pressure Vessel [ beginning: hypertext transfer protocol: //communities.ptc.com/thread/39900 ]Cylindrical Pressure VesselThis type of a vas designed with a fixed radius and thickness subjected to an internal pot force per unit area. This vas has an axial symmetricalness. The cylindrical vass are by and large preferred, since they present simpler fabrication jobs and do better usage of the available infinite. Boiler membranophone, heat money changers, chemical reactors, and so on, are by and large cylindrical. A C: Userszalie87Desktoppressure-vessel-500Ãâ€"500.jpg C: Userszalie87Desktopvertical_expansion_tank.gif Figure.2: Cylindrical ( Horizontal & A ; Vertical ) Pressure Vessel [ beginning: hypertext transfer protocol: //www.energyflowsystems.com/pv.htm and hypertext transfer protocol: //www.pumpsukltd.com ]2.3 Main Components of Pressure VesselThe chief force per unit area vas constituents are as follow:2.3.1 ShellThe shell is the chief constituent of any vass that contains the force per unit area. Material of shell usually come in home base or rolled steel. Commonly, some force per unit area vas shells has a rotational axis and be welded together to organize a construction. Most pressure vas shells are cylindrical, spherical, or conelike in form.2.3.2 HeadAll force per unit area vas shells must be closed at the terminals by caputs. Heads that normally used are typically in curved instead than level. Configurations of curving form stronger and allow the force per unit area vas ‘s caputs to be thinner, lighter and less expensive instead than level caputs. Inside a vas, caputs can besi des be used. Heads are normally can be categorized by their forms. Ellipsoidal, hemispherical, torispherical, conelike, toriconical and level are the common types of caputs. Figure 2.3 shows assorted types of caputs. Ellipsoidal would be the most common type of caputs, which is used during the designing of a new force per unit area vas. [ 11 ] Figure 2.3: Typical Types of Heads [ beginning 11 ]2.3.3 NozzlesA nose is a cylindrical constituent that penetrates and mounts whether at the shell or caputs of a force per unit area vas surface. The nozzle terminals are by and large flanged. Flanges map is to let the necessary connexions. Flanges besides use to allow easy disassembly for modus operandis care or easy entree. Nozzles normally are used for the undermentioned applications [ 11 ] : Attach piping for flow recess or mercantile establishment of the vas. Attach instrument connexions such as degree gages, thermowells, or force per unit area gages. Provide entree to the vas inside at manholes. Provide for direct fond regard of heat money changer or sociable. Nozzles sometimes extended into the vas inside for some applications, such as for recess flow distribution or to allow the entry of thermowells.2.3.4 SupportThe type of support that is designed and used depends on the orientation of the force per unit area vessel whether horizontally or vertically. In any state of affairs, the force per unit area vessel support must be adequate to back up the applied weight and other tonss. Design force per unit area of the vas is non being considered in the design of its support because the support is non be pressurized. But, design temperature should be considered for support design. It should be considered from the position of stuff choice and proviso for differential thermic enlargement. Several sorts of supports are as follow [ 11 ] : Skirt This type of support by and large been used for tall, perpendicular, cylindrical force per unit area vass. This type of support is a cylindrical shell subdivision which is be weld either to the underside of the vas shell or to the bottom caput for the cylindrical vass. Skirt support for spherical vas is welded to the vas near the mid plane of the shell. The skirt is usually design long plenty to supply flexibleness so that radial thermic enlargement of the shell does non do high thermic emphasiss at its junction with the skirt. Leg Small perpendicular membranophones are usually supported by legs that are welded to the underside of the force per unit area shell. The maximal ratio of support provides for leg length to beat diameter is typically 2:1. The figure of legs is designed depends on the membranophone size and the tonss to be carried. Support legs are besides normally designed for spherical force per unit area vass. The support legs for little perpendicular vass and spherical storage vass usually made from high C stuff such as structural steel columns or pipe subdivisions, which provides a more efficient and perfect design. Saddle Horizontal membranophones are usually supported by saddle. This type of support divides the weight burden over a big country of the shell to avoid an unneeded emphasis in the shell at two different locations. The breadth of the saddle is considered by the specific size and design conditions of the force per unit area vas. One saddle support is usually fixed or anchored to its foundation. A typical strategy of saddle support is shown on Figure 2.2.4. Figure 2.4: Typical Scheme of Saddle [ beginning 11 ]2.4 Overall Design Procedure of Pressure VesselsPressure vass as constituents of a complete works are designed to run into assorted demands as determined by the interior decorators and analysts responsible for the overall design. The first measure in the design process is to choose the necessary relevant information, set uping in this manner a organic structure of design demands, as shown in Figure 2.5. Once the design demands have been established, suited stuffs are selected and the specified design codification will give an allowable design or nominal emphasis that is used to dimension the chief force per unit area vas thickness. Extra codification regulations cover the design of assorted vessel constituents such as noses, rims, and so on. Following these regulations an agreement of the assorted constituents are finalized and analyzed for failure. Most of the types of failure relevant to coerce vessel design are stress dependent and therefore it is necessary to guarantee the adequateness of the emphasis distribution and look into against different types of postulated failure manners. The proposed design is eventually iterated until the most economical and dependable merchandise is obtained. The functional demands cover the geometrical design parametric quantities such as size and form, location of the incursions, and so on. Some of these parametric quantities may hold to be fixed in coaction with the overall design squad, but in a bulk of state of affairss the force per unit area vas interior decorator acts freely on the footing of his or her experience. In the process in planing force per unit area vass, safety is the chief factor that must be consider, particularly for the high force per unit area works such as atomic reactor force per unit area vass, due the possible impact of a possible terrible accident. In general nevertheless, the design is a via media between consideration of economic sciences and s afety. The possible hazards of a given manner of failure and its effects are balanced against the attempt required for its bar. The ensuing design should accomplish an equal criterion of safety at minimal cost. Safety can non be perfectly assured for these two grounds. First, the existent signifier of lading during service may be more terrible than was anticipated at the design phase: unnatural, unpredictable tonss necessarily occur during the force per unit area vas ‘s life-time. Second, our cognition is rarely equal to supply a qualified reply to the break of stuffs, province of emphasis under certain conditions, and so on. It is true that although the cardinal mechanism of failure is non sufficiently understood, it is possible to set up preventative steps based on semi empirical methods. Following this line of thought, the force per unit area vass could be classified harmonizing to the badness of their operations since this will impact both the possibility of failure and its effects. These considerations lead to the categorization of vass runing from atomic reactor force per unit area vass at one terminal to belowground H2O armored combat vehicles at the other. The design factor used in the ASME Boiler and Pressure Vessel Code1 is intended to account for unknown factors associated with the design and building of the equipment. The design expression and the emphasis analysis methods are by and large approximative and have constitutional premises. Typically it is assumed that the stuff is homogenous and isotropic. In the existent universe the stuff has defects and discontinuities, which tend to divert from this premise. Figure 2.5: Design ProcedureChapter 3.0Methodology3.1 OverviewIn this chapter, the information in choice of force per unit area vas is described and the application of selected force per unit area vas is been discussed. To plan of force per unit area vessel the choice of Code are of import as a mention usher to accomplish the secure force per unit area vas. The choices of ASME Code Section VIII div 1 are described. The criterion of stuff choice used are explains in this chapter. Beside of that, the design and analysis package to obtain the consequence are introduced. Alternatively of that, design procedure methodological analysis is besides described.3.2 General Design Considerations: Pressure Vessels3.2.1 MaterialsGeneral stuff demand have been described in paragraphs UG-4 through UG-15. There are some points that must be considered which is related to the general stuff demands that will be discussed below. [ 2 ] The chief factors of stuff choice that must be considered are [ 12 ] :StrengthStrength is a stuff ‘s ability to digest an imposed force or emphasis applied. Strength is an of import factor in the stuff choice for any peculiar application. Strength determines the midst of a constituent that must be to defy the forced tonss.Corrosion ResistanceCorrosion defines as the weakening of stuff by chemical reaction. Material ‘s opposition to corrosion is the most of import factor that influences its choice for a specific application. Stipulate a corrosion allowance is the common method that used to specify corrosion in force per unit area vass constituents.Fracture StaminaFracture stamina defines as the capableness of a stuff to defy conditions that could do a brickle break. The break stamina of a stuff can be determined by utilizing Charpy V-notch trial to specify the magnitude of the impact energy and force that is required to fracture a specimen.FabricabilityFabricability defines as the easiness of building and to any particular fiction patterns that are required to utilize the stuff. Normally, force per unit area vass use welded building. The stuffs used must be weldable so that constituents can be assembled onto the accomplished force per unit area vas. The force per unit area vas design codifications and criterions include lists of acceptable stuffs ; in conformity with the appropriate stuff criterions.3.2.2 Design and Operating TemperatureIn ASME Code Section VIII Div 1, upper limit and minimal design temperatures can be established in Paragraph UG-20. The maximal design temperature can be define as the maximal temperature used in vessel design and it shall non be lesser than the average metal temperature estimated under normal operating conditions for the portion that want to be considered. [ 3 ] The operating temperature is the gas or unstable temperature that occurs under the normal operating conditions. Before planing a vas, the operating temperature must be set based on the upper limit and minimal metal temperatures that the force per unit area vas may meet any state of affairs. [ 4 ]3.2.3 Design and Operating PressureDesign force per unit area of the vas can be established in Paragraph UG-21. In this paragraph, the demand of the vas to be designed for any terrible force per unit area and temperature that is coincidently expected in normal operation has been provided. When set up the maximal operating force per unit area, all conditions such as start-up, closure, and any identified disquieted conditions can be considered. Set force per unit area of the force per unit area alleviation device in an operating system must be above the operating force per unit area by a sufficient sum so that the device does non trip by chance. A vas must be designed to defy the maximal force per unit area to which it is likely to be subjected in operation status. Before planing a vas, the operating force per unit area must be set based on the maximal internal or external force per unit area that the force per unit area vas may meet. The design force per unit area is usually taken as the force per unit area at which the alleviation device is set for vas that under internal force per unit area. To avoid specious operation during minor procedure disturbances, usually the operation force per unit area is 5 to 10 per cent above the normal on the job force per unit area. The hydrostatic force per unit area in the base of the column should be added to the operating force per unit area if make up one's minding the design force per unit area. [ 2 ]3.2.4 Design Maximum Allowable StressMaximum allowable emphasis that have to be consider in planing a vas which be used for internal and external force per unit area has be describe in Paragraph UG-23. The allowable tensile emphasiss are tabulated in ASME Code Section II, Part D of the Boiler and Pressure Vessel Code. In UG-23 ( a ) indicates that for stuff that has been identified as meeting more than one stuff specification, the allowable emphasis for the specification may be used and provided that all the restrictions of the specification is satisfied. In UG-23, standard for the maximal allowable longitudinal compressive emphasis to be used for cylindrical shells that are subjected to longitudinal compressive tonss besides have been provided. The first status is that the maximal allowable longitudinal compressive emphasis can non be greater than the maximal allowable tensile emphasis. The 2nd status is based on buckling of the constituent. In Paragraph UG-23 ( degree Celsius ) , the wall thickness of a force per unit area vas shell defined by these regulations and it should be determined and the induced maximal membrane emphasis does non transcend the maximal allowable emphasis value in tenseness has been stated. [ 2 ] Typical design emphasis factors for force per unit area constituents are shown in Table 3.1. Table 3.1: Design emphasis factors Property Material Carbon Carbon-manganese, unstained metals low metal steels Austenitic chromium steel steels Non-ferrous metals Minimal output emphasis or 0.2 per centum cogent evidence emphasis, at the design temperature 1.5 1.5 1.5 Minimum tensile strength, at room temperature 2.35 2.5 4.0 Mean emphasis to green goods rupture at 105 H at the design temperature 1.5 1.5 1.03.2.5 Thickness of shell under internal force per unit areaInformation and demand of thickness or maximal allowable force per unit area for a shell under internal force per unit area are provided in paragraph UG-27. The equations for circumferential emphasis which is the emphasis moving across the longitudinal seam for cylindrical shell are as follows [ 1 ] : or ( 3.2.5.1 ) Figure 3.1: Shell Under Internal Pressure For cylindrical shells for longitudinal emphasis which the emphasis moving across the circumferential articulations, the equations are or ( 3.2.5.2 ) T = lower limit needed thickness of shell, in. ( in the corroded status ) P = internal design force per unit area, pounds per square inch R = inside radius of shell under consideration, in. ( Corroded status ) S = maximal allowable emphasis from the applicable allowable emphasis tabular array in Section II, Part D E = Joint efficiency for welded articulations ( Table UW-12 ) , or the ligament efficiency between gaps ( UG-53 ) . For spherical shells, or ( 3.2.5.3 ) These equations are really simple. However, there are some related issues that must be discussed. These two equations are usually based on thin wall theory.3.2.6 Thickness of shell under external force per unit areaThe information and demand that used to plan shells and tubings under external force per unit area is given as a design burden is given in paragraph UG-28. The definitions for assorted geometries are diagrammatically shown in Figure 3.2.a ( Fig.UG-28.1 ) . [ 2 ] Figure 3.2.a: Diagrammatic Representation of Lines of Support for Design of Cylindrical Vessels Subjected To External Pressure ( Beginning: Fig. UG-28.1 of Section VIII Div. 1 of the ASME 2010 Code ) Figure 3.2.b: Maximal Arc of Shell Left Unsupported Because of Gap in Stiffening Ring of Cylindrical-Shell under External Pressure ( Beginning: Fig.UG-29.2 of Section VIII Div.1 of the ASME 2010 Code ) Stiffness ring that has been provided with uninterrupted around the perimeter of the vas is to defy external force per unit area. Between the ring and the shell, spreads have been allowed ; nevertheless, the ring has to be uninterrupted and the discharge of the spread is limited by Figure 3.2.b. The extra demands of UG-29 ( degree Celsius ) ( 1 ) through UG-29 ( degree Celsius ) ( 4 ) should be satisfy when the discharge of the spread between the ring and shell does non run into the Figure 3.2.b demands. [ 2 ]3.2.7 Formed HeadsInformation and regulations for the design of formed caputs are given in paragraph UG-32. The needed thickness of spheroidal caputs expression is given by or ( 3.2.7.1 ) D = diameter of the oval major axis Figure 3.3: Ellipsoid caput ( Beginning: 7 ) Other expressions to plan caputs are as given in UG-27.Ellipsoidal caputs has a ratio of 2:1 if at that place does non hold a major to minor diameter. The torispherical caput with the metacarpophalangeal joint radius requires a thickness for a equal to 6 % of the inside Crown radius and the inside crown radius equal to the outside diameter of the is given by [ 7 ] or ( 3.2.7.2 ) Where: L = inside crown radius of the formed caput Figure 3.4: Torispherical caput ( Beginning: 7 )3.2.8 Openings and SupportsWhen planing an gap in a force per unit area vas, there is a stress ensuing from the hole that is formed on the shell. This is similar to the classical emphasis concentration consequence of a hole in a home base that is loaded in grip. The codifications for support do non see loads other than force per unit area. Openings in shells should be round, egg-shaped, or obround. If the connexion is slanting to the surface of the shell, the egg-shaped gap in the shell will be used. The proof trial in Paragraph UG-101should is applied if the strength of vass with such gaps can non be determined. [ 2 ] There is no bound to the size of an gap that may be designed on a force per unit area vas. The gap and support regulations in paragraph UG-36 through UG-43 stated in ASME Code will be apply to gaps non transcending the undermentioned vas size. For illustration, vass of 60 inches inside diameter and less, the gap may be every bit big as one half the vas diameters, but non to transcend 20 inches. Then, for vass over 60 inches inside diameter, the gap may be every bit big as one third the vas diameter, but non to transcend 40 inches. [ 2 ]Design for Internal PressureThe entire transverse sectional or country of support A in any plane through the gap for a shell or caput under internal force per unit area that has been required shall be non less than A = dtrF + 2tn thyrotropin-releasing hormone ( 1 a?’ fr1 ) ( 3.2.8.1 )Design for External Pressure( 1 ) The support that capable to force per unit area ( external ) must be considered for gaps in individual walled vass must merely 50 % of that required in design for internal force per unit area, where tr is the wall thickness required by the regulations for vass under external force per unit area and the value of F shall be 1.0 in all external force per unit area support computations. [ 2 ] ( 2 ) The support required for gaps in each shell of a multiple walled vas shall follow with above information when the shell is capable to force per unit area ( external ) and with design for force per unit area ( internal ) above when the shell is capable to internal force per unit area, no affair there is a common nose secured to more than one shell by strength dyer's rockets. [ 2 ]3.2.9 NozzlesThe lower limit wall thickness of nozzle cervixs should be determined as given expression below. For entree gaps and gaps used merely for review [ 2 ] : tUG-45 = Ta ( 3.2.9.1 ) For other noses: Determine terbium. terbium = min [ tb3, soap ( tb1, tb2 ) ] ( 3.2.9.2 ) tUG-45 = soap ( Ta, terbium ) ( 3.2.9.3 ) where Ta = lower limit cervix thickness required for internal and external force per unit area utilizing UG-27 and UG- 28 ( plus corrosion allowance ) , as applicable. The effects of external forces and minutes from auxiliary tonss ( see UG-22 ) shall be considered. Shear emphasiss caused by UG-22 burdens shall non transcend 70 % of the allowable tensile emphasis for the nozzle stuff. tb1 = for vass under internal force per unit area, the thickness ( plus corrosion allowance ) required for force per unit area ( presuming E p 1.0 ) for the shell or caput at the location where the nozzle cervix or other connexion attaches to the vas but in no instance less than the minimal thickness specified for the stuff in UG-16 ( B ) . tb2 = for vass under external force per unit area, the thickness ( plus corrosion allowance ) obtained by utilizing the external design force per unit area as an tantamount internal design force per unit area ( presuming E p 1.0 ) in the expression for the shell or caput at the location where the nozzle cervix or other connexion attaches to the vas but in no instance less than the minimal thickness specified for the stuff in UG-16 ( B ) . tb3 = the thickness given in Table UG-45 plus the thickness added for corrosion allowance. tUG-45 = lower limit wall thickness of nose cervixs In Paragraph UG-45, the regulations for minimal nozzle cervix thickness have been provided. A nozzle cervix or any other connexion shall non be thinner than that required to fulfill the thickness demands for the tonss defined in paragraph UG-22. Except for manhole and other gaps that are provided merely for entree, extra demands of paragraph UG-45 may necessitate a thicker nose cervix. [ 2 ]3.2.10 Legs supportLegs supports usually are used to back up perpendicular force per unit area vas. Legs support can be made detachable from the vas. These supports can be bolted or welded to blast home bases. Leg supports design method is similar to that for bracket support. If the legs are welded to the shell, so the shear emphasiss in the dyer's rocket will be given by [ 2 ] : ( 3.2.10.1 ) Where, tW = Weld Height LW = Weld Length. These sorts of supports are suited merely for little and moderate force per unit area vass as there is a concentrated local emphasis at the joint. Figure 3.5: Leg Support3.2.11 Joint Efficiency FactorsThe strength of a welded articulation will depend on the type of articulation and the quality of the welding. The soundness of dyer's rockets is checked by ocular review and by non-destructive testing ( skiagraphy ) . The possible lower strength of a welded articulation compared with the virgin home base is normally allowed for in design by multiplying the allowable design emphasis for the stuff by a â€Å" welded articulation factor † J. The value of the joint factor used in design will depend on the type of joint and sum of skiagraphy required by the design codification. Typical values are shown in Table 3. Taking the factor as 1.0 implies that the joint is every bit every bit strong as the virgin home base ; this is achieved by radiographing the complete dyer's rocket length, and cutting out and refashioning any defects. The usage of lower joint factors in design, though salvaging costs on skiagraphy, will ensue in a thi cker, heavier, vas, and the interior decorator must equilibrate any cost nest eggs on review and fiction against the increased cost of stuffs. [ 2 ] Table.2: Maximum allowable articulation efficiency Type of articulation Degree of skiagraphy 100 % topographic point none Double-welded butt or equivalent 1.0 0.85 0.7 Single-weld butt articulation with adhering strips 0.9 0.80 0.65 In ASME Code Section VIII Division 1, joint efficiency factors influence the degree of scrutiny of articulations on force per unit area vas. The grade of scrutiny influences the needed thickness through the usage of Joint Efficiency Factors, E. This factor is sometimes referred to as Quality Factors or weld efficiencies serve as emphasis multipliers applied to vessel constituents when some of the articulations are non to the full radiographed. Basically, ASME Code Section VIII Division 1 vass have variable factors of safety and it depending on the radiographic scrutiny of the chief vas constituents articulations. For this undertaking, to the full radiographed longitudinal butt-well articulations in cylindrical shell use a Joint Efficiency Factor, E of 1.0. There are four joint classs require that have been identified in ASME Code Section VIII Division 1. They are classs A, B, C and D as shown in figure below. [ 2 ] Figure 3.6: Welded Joint Categories ( Beginning: 2010 ASME VIII Div1 )3.2.12 Corrosion allowanceThe corrosion allowance is the extra thickness of metal added to let for stuff lost by corrosion and eroding, or scaling. The allowance to be used should be agreed between the client and maker. Corrosion is a complex phenomenon, and it is non possible to give specific regulations for the appraisal of the corrosion allowance required for all fortunes. The allowance should be based on experience with the stuff of building under similar service conditions to those for the proposed design. For C and low-alloy steels, where terrible corrosion is non expected, a minimal allowance of 2.0 millimeters should be used ; where more terrible conditions are anticipated this should be increased to 4.0 millimeters. Most of design codifications and criterions available stipulate a minimal allowance of 1.0 millimeter. [ 2 ]3.3 Finite Element Analysis by ANSYSThis undertaking is set out to verify finite comp onent analysis, FEA when applied to coerce vessel design. Finite Element Analysis is a simulation technique. Function of this technique is to measure the behaviour of constituents, equipment and constructions for assorted lading conditions including applied forces, force per unit areas and temperatures. There are many complex technology jobs with non-standard form and geometry can be solved utilizing this analysis [ 5 ] . Consequences that can be achieve by this analysis such as the emphasis distribution, supplantings and reaction tonss at supports for any theoretical account. There are figure of scenarios can be done such as design optimisation, material weight minimisation, form optimisation, codification conformity and more by utilizing this analysis [ 10 ] . The finite elements analysis was performed utilizing ANSYS package. ANSYS widely used in the computer-aided technology ( CAE ) field in many industries [ 10 ] . ANSYS package helps applied scientists and interior decorators to build computing machine theoretical accounts of constructions, machine constituents or systems by using runing tonss and other design standards and to analyze physical responses such as emphasis degrees, temperature distributions, force per unit area and more. It permits an rating of a design without holding to construct and destruct multiple paradigms in proving. In this undertaking, the analysis will be test on cylindrical shell of the unfired perpendicular force per unit area vas to see the maximal distortion, maximal tantamount ( von-Misses ) and maximal shear emphasis of the shell ‘s stuff. Figure 3.1: Example of ANSYS analysis ; Maximum shear emphasis of Elliptical Head [ beginning 1 ] .Chapter 4.0RESULT AND ANALYSIS4.1 Design Data and CalculationTable 4.1: Pressure Vessel Design Data Design codification : ASME Section VIII Division 1 Type of vas : Vertical Inside diameter : 1300.0 millimeter Temperature Design : 70.0 A °C Operating : 30.0 A °C Pressure Design : 44 BarG Operating : 24.9 BarG Corrosion allowance : 3 millimeter Type of fluid : Natural gas Max. Liquid degree : Not applicable Radiography : Full moon Joint efficiency : 1.0 Type of caput : 2:1 Ellipsoidal Weight Empties : 4791 kilogram Operating : 4850 kilogram ( approximate )4.1.1 MaterialFor choosing stuff for building these force per unit area vas constituents, there are several regulations should be see that available in paragraphs UG-4 through UG-15. For this undertaking, stuff that will be usage is in C and low metal steel ‘s category which is SA-516-70. This type of stuff has been taking based on design force per unit area and design temperature because it is suited for moderate and lower temperature service applications. [ 2 ]4.1.1.1 Properties of MaterialTable 4.2: Properties of Material Material SA-516 Gr 70 Form Home plate Composition C-Mn-Si Tensile strength 552 MPa Output point 260 MPa Density 7.85 g/cm3 Melting Point 1510 A °C ( 2750 A °F )4.1.2 Design PressureRefer to ASME codification in paragraph UG 21, the design force per unit area is a force per unit area that is used to plan a force per unit area incorporating system or piece of equipment. With the design force per unit area, it is recommended for applied scientist to plan a vas and its constituents. Design force per unit area must 5-10 % higher than operating force per unit area, whichever is the higher, will carry through this demand. The force per unit area of the fluid and other contents of the force per unit area vas are besides considered. For this undertaking, design force per unit area is 44.0 BarG. [ 2 ]4.1.3 Operating PressureOperating force per unit area is a force per unit area that less than the maximal allowable on the job force per unit area at which the force per unit area vas is usually operated. Recommended value is 30 % below maximal allowable on the job force per unit area. [ 2 ]4.1.4 Maximum Allowable Stress ValueR efer to ASME codification in paragraph UG 23, the maximal allowable emphasis value that the maximal emphasis allowed in stuff that used to plan force per unit area vas constituents under this regulations. The allowable emphasis value for most stuff at design temperature is the lower 2/7 the minimal effectual tensile strength or 2/3 the minimal output emphasis of the stuff. For this undertaking, the allowable emphasis value is obtained from tabular array in ASME Code Section II ; Part D. Below is allowable emphasis value that simplified from the tabular array in subdivision II, Part D. [ 2 ] Material Metal temperature non transcending deg, F Maximum Allowable Stress, pounds per square inch SA-516 Gr 70 -20 to 650 17500 Table 4.3: Maximal Allowable Stress Value4.1.5 Thickness of Shells under Internal PressureT = PR per UG 27 ( degree Celsius ) ( SE- 0.6P ) = ( 44 x 10^5 ) ( 653 millimeter ) ( 1206.58 Bar ) – 0.6 ( 44 Bar ) = 24.35 millimeter 24.35 millimeter + corrosion allowance, 3 millimeter = 27.35 millimeter So, usage T = 28 millimeter Maximal Allowance Working Pressure, MAWP P = SEt per UG 27 ( degree Celsius ) R + 0.6t = ( 1206.58 x 10^5 ) ( 1 ) ( 28 millimeter ) 650 millimeter + 0.6 ( 28 millimeter ) = 51.98 Barrooms Stress, I?hoop = P ( R + 0.6t ) Et = ( 4.4 x 10^6 ) ( 0.650m + 0.6 ( 0.028 m ) ( 1 ) 0.028 m = 105.25MPa Stress, I?long = P ( R – 0.4t ) 2Et = ( 4.4 x 10^6 ) ( 0.650 m – 0.4 ( 0.028 m ) ( 2 ) 0.028 m = 50.19 MPa Factor of safety = I?yield I?hoop = 120.658 Mpa 105.25 MPa = 1.144.1.6 2:1 Ellipsoidal Head thicknessT = PD per UG 27 ( vitamin D ) ( 2SE-0.2P ) = ( 44 x 10^5 ) ( 1303 millimeter ) 2 ( 1206.58 x 10^5 ) ( 1 ) – 0.2 ( 44 x 10^5 ) = 23.85 millimeter 23.85 millimeter + corrosion allowance, 3 millimeter = 26.85 millimeter So, usage T = 28 millimeter H = D 4 = 1300 4 = 325 millimeter Maximal Allowance Working Pressure, MAWP P = 2SEt per UG 27 ( vitamin D ) D + 0.2t = 2 ( 1206.58 x 10^5 ) ( 1 ) ( 23.85 millimeter ) 1303 millimeter + 0.2 ( 23.85 millimeter ) = 44 Barrooms Stress, I? = P ( D + 0.2t ) 2 T = ( 4.4 x 10^6 ) ( 1.303 m + 0.2 ( 0.024 m ) 2 ( 1 ) ( 0.024 m ) = 119.88 MPa4.1.7 2:1 Nozzle and Flanges4.1.7.1 ( Inlet and Outlet )T = PR per UG 45 ( SE- 0.6P ) = ( 44 x 10^5 ) ( 152.4 millimeter ) ( 1206.58 x 10^5 ) – 0.6 ( 44 x 10^5 ) = 5.68 millimeters ~ 6 millimeter 6 millimeter + corrosion allowance, 3 millimeter = 9 millimeter So, usage T = 9 millimeter Length of pipe 12 † = 211.85 millimeter Flanges Based on slip-on Flanges – ANSI B16.5 300lbs Table 4.4: Slip-On Flanges – ANSI B16.5 300lbs for 12 Inch Nominal pipe size Outside diameter Overal diameter Inside diameter Flanges thickness Overall length Hub diameter Face diameter No.of holes Bolt hole Diameter of circle of holes 12 † 323.8 520.7 327.1 50.80 73.15 374.6 381.0 16 31.70 450.84.1.7.2 ( Manhole )T = PR per UG 45 ( SE- 0.6P ) = ( 44 x 10^5 ) ( 254 millimeter ) ( 1206.58 x 10^5 ) – 0.6 ( 44 x 10^5 ) = 9.47 millimeters ~ 9.5 millimeter 9.5 millimeter + corrosion allowance, 3 millimeter = 12.5 millimeter So, usage T = 12.5 millimeter Length of pipe 20 † = 252 millimeter Flanges Based on slip-on Flanges – ANSI B16.5 300lbs Nominal pipe size Outside diameter Overal diameter Inside diameter Flanges thickness Overall length Hub diameter Face diameter No.of holes Bolt hole Diameter of circle of holes 20 † 508 774.7 513.1 63.50 95.20 587.2 584.2 24 35 685.8 Table 4.5: Slip-On Flanges – ANSI B16.5 300lbs for 20 Inch4.1.7.3 ( Liquide Outlet )T = PR per UG 45 ( SE- 0.6P ) = ( 44 x 10^5 ) ( 25.4 millimeter ) ( 1206.58 x 10^5 ) – 0.6 ( 44 x 10^5 ) = 0.95 millimeters ~ 1 millimeter 1 millimeter + corrosion allowance, 3 millimeter = 4 millimeter So, usage T = 4 millimeter Length of pipe 20 † = 271.8 millimeter Flanges Based on slip-on Flanges – ANSI B16.5 300lbs Nominal pipe size Outside diameter Overal diameter Inside diameter Flanges thickness Overall length Hub diameter Face diameter No.of holes Bolt hole Diameter of circle of holes 2 † 60.3 165.1 62 22.30 33.20 84 91.90 8 19.10 127.0 Table 4.6: Slip-On Flanges – ANSI B16.5 300lbs for 2 Inch4.1.8 Leg supportFor planing leg support, there are no specific regulations or codifications that describes in ASME Code Section VIII Div 1. So, in this undertaking, the leg supports was designed based on available support that be designed for knock out membranophone by Petronas Fertilizer Sdn. Bhd.4.2 Detailss pulling by CatiaFigure 4.1: Unfired Vertical Pressure Vessel [ Please mention Appendix 1 ] Figure 4.2: Shell [ Please mention Appendix 2 ] Figure 4.3: Top Ellipsoidal Head Figure 4.4: Bottom Ellipsoidal Head [ Please mention Appendix 3 & A ; 4 ] Figure 4.5: Leg Support [ Please mention Appendix 5 ]4.3 Inactive Structural Analysis Result and DiscussionFrom the finite component analysis for all burden instances by inactive structural analysis utilizing ANSYS package, there are consequences are obtained.4.3.1 Inactive Structural Analysis of Shell with NozzlesDegree centigrades: Userszalie87AppDataRoamingAnsysv140preview.png Figure 4.6a: Entire Deformation of Shell with Nozzles The figure above shown the entire distortion of the shell with nozzle attached. From the consequences of analysis, it was observed that the maximal distortion occurred at the junction of force per unit area vas ‘s shell and the nose. The maximal distortion was 0.52119 millimeter. Degree centigrades: Userszalie87AppDataRoamingAnsysv140preview.png Figure 4.6b: Equivalent ( von-Mises ) Stress Based on figure above, the maximal emphasiss occurred at the nozzle cervix. The maximal emphasis value obtained is 141.28 MPa. The maximal tantamount emphasis obtained from the analysis was big than maximal allowable emphasis because of affiliated nose cervix due to sudden alteration in the shell geometry and the resulting of alteration in emphasis flow. Degree centigrades: Userszalie87AppDataRoamingAnsysv140preview.png Figure 4.6c: Maximal Shear Stress The figure above represented the maximal shear emphasis that occurs on the shell. There are colourss that represent the degree of emphasis that occur on the shell surface. The bluish colour indicate the country which the emphasis was lowest and the ruddy colour indicated the maximal emphasis occur while the force per unit area has been applied. Degree centigrades: Userszalie87AppDataRoamingAnsysv140preview.png Figure 4.6d: Safety Factor From the analysis of shell with noses attached, the minimal value of factor safety obtained is 0.85406. Because of some deficiency, the value of safety factor is rather low compared to theoretical value. It is because the maximal tantamount emphasis that been obtained was big than maximal allowable emphasis.4.3.2 Inactive Structural Analysis of Shell without NozzlesDegree centigrades: Userszalie87AppDataRoamingAnsysv140preview.png Figure 4.7a: Entire Deformation of Shell without Nozzles For the analysis of shell without nose attached, the consequence has been shown above. Compared with the old analysis on shell with the noses, the value of maximal distortion is less which is merely 0.33246 millimeters. Degree centigrades: Userszalie87AppDataRoamingAnsysv140preview.pngFigure 4.7b: Equivalent ( von-Misses ) Stress The figure shown supra is the consequence of equivalent ( von-Misses ) emphasis that occurs on the shell surface at about design force per unit area of 4.4 MPa. The ruddy colour represents the maximal emphasis which is 116.67 MPa. The maximal emphasis occurs at the underside of the shell. The maximal allowable emphasis for this shell is 120.658 MPa. So, the value obtained in this analysis was below than maximal allowable emphasis. It can be said that this shell was safe. Degree centigrades: Userszalie87AppDataRoamingAnsysv140preview.png Figure 4.7c: Maximal Shear Stress Based on figure above, the maximal emphasiss occur on the surface indoors shell. The minimal shear emphasis occurs on the top shell surface 16.272 MPa and the maximal shear emphasis value obtained is 61.08 MPa which is represented with ruddy colour. Degree centigrades: Userszalie87AppDataRoamingAnsysv140preview.png Figure 4.7d: Safety Factor From the analysis of shell without noses attached, the minimal value of factor safety obtained by computation is 1.14. The value of safety that obtained by this analysis is 1.03 because the maximal tantamount emphasis that be obtained is less than hoop emphasis in manual computation. So the per centum of factor safety between value from computation and analysis is approximately 9.6 % and it ‘s acceptable.Chapter 5.0Summary5.1 DecisionAs the undertaking is completed, it can be concluded that the aims of this undertaking are successfully done. This undertaking had lead to several decisions. However, major decisions are as below: From overall survey of ASME Code Section VII Division 1 in planing perpendicular force per unit area vas, it be said that the chief demand that used to plan this type of vas was be studied decently. Because of some deficiency of information is ASME Code such as regulations for planing leg support, the constituent had been designed merely based on available designed that widely used in industry. This undertaking merely focused on design demands in ASME Code, so the regulation for fiction and review did non be involved. From the analysis of shell with affiliated nose, the maximal distortion of the shell has been obtained. The distortion value was below the allowable deforming for the shell stuff. Then, the maximal tantamount emphasis ( von-Misses ) besides has been obtained over the maximal allowable emphasis. This was because of the geometry of the shell has been changed during nozzle attached. This job occurred besides because of the alteration is stress flow during the tonss has been applied. Because of over maximal tantamount emphasis obtained, the value safety factor had been affected. The value of safety factor obtained was less than 1 ; it might be non good plenty but it still can be considered. From the analysis of shell without nose, the maximal distortion is less than distortion in shell with affiliated nozzle analysis. Then, the value of maximal tantamount emphasis ( von-Misses ) obtained was less than maximal allowable emphasis. The value was approximated to the computation value at about 3.3 % . So, the value of safety factor obtained besides near to the computation value in term of maximal allowable emphasis per upper limit tantamount emphasis. Hence, the shell was in safe status when the operating force per unit area been applied. However, although the codification for design a force per unit area vas had been studied decently, some of information was non described in inside informations. So, this design was non excessively safe and good plenty for fiction. Many demands still had to be considered to do this design perfect. There were many codifications and regulations should be studied and understood decently. By the manner, as been stated earlier, this undertaking has achieved the aims and fulfills the demand of Final Year Project II.5.2 RecommendationApparently, in term of design regulations, there are many facets to looking farther betterment to hold a complete and perfects perpendicular force per unit area vas. The design codifications and criterions must be suitably revised to do certain the design is safe plenty. Because of deficiency of information from the ASME Codes Section VIII Division 1 in planing this force per unit area vas, some of the standards required can non be applied. Some of the information in ASME Code is confidential and need to inquire for their permission before used it. Sometimes engineer, interior decorator or organisation demands to purchase their codifications and criterions which are really expensive. There are others codifications and criterion in planing force per unit area vas available. There besides has package to plan force per unit area in the market. Possibly by utilizing others codifications and criterion or package may better the process in planing force per unit area vas