Gas turbine engine

Gas turbine engine TURBINE BLADE COOLING ABSTRACT INTRODUCTION It is well known from the thermodynamic analysis through literature survey that the performance of a gas turbine engine is strongly influenced by the temperature at the inlet to the turbine. Figure 1 illustrates the relation between the specific power output and turbine rotor inlet temperature. There is thus a growing tendency to use higher turbine inlet temperatures, implying increasing heat loads to the engine components. Engine manufacturers have recognised this for some time and have been continuously increasing turbine inlet temperature, especially during the last three decades. The blades are cooled by extracting air from the compressor stages. Modern gas turbine engines are designed to operate at inlet temperatures of 1800-2000K, which are far beyond the allowable metal temperatures. Thus, to maintain acceptable life and safety standards, the structural elements needs to be protected against the severe thermal environment. This calls for the design of an efficient cooling system for these elements. Rotor blade of high pressure gas turbine is such a critical element and hence the blade metal temperature should not be allowed to exceed beyond a value at which the life or safety standards cant be met. It is required to cool the blade in such a way that the amount of heat transferred from the externally flowing hot gas to the blade should be removed by an appropriate cooling design to limit the very high temperature. STRESSES IN THE BLADE Rotor blades of gas turbine are subjected to very high rotational speeds of the order of several thousand rpm and also are exposed to a variable thermal environment. Hence these blades are subjected to different types of stresses of different magnitudes and directions. As it is known, that the strength is a function of life and working temperature the net stress at any section of the blade should not exceed the maximum allowable value. The control on the blade metal temperature is the only way to sustain the stresses for the designed life of the blade for a specific operating condition and life requirement. Therefore to know about the cooling requirement, stresses should be predicted correctly on the blades at different sections. There are mainly four types of stresses with that rotor blades are being subjected; Centrifugal tensile stress Gas bending stress and Centrifugal bending stress Thermal stress 1.1. Centrifugal tensile stress Centrifugal stress in the rotor blade is due to the rotation of the blade. It is tensile in nature. This is the largest in magnitude but not necessarily the most important because it is almost a steady stress. When the rotational speed of the blade is specified, the allowable centrifugal tensile stress places a limit on the annulus area but does not affect the choice of blade chord. This stress is the basic cause of the blade failure due to the creep. 1.2. Centrifugal bending stress If the blade design is such that the centroids of all the blade cross-sections at different radii, taken perpendicular to the radial direction, do not lie in the same radial plane, centrifugal stresses arising in the blade will try to bend the blade. This type of stress arising due to the different directions of the centrifugal stresses in different blade sections is called as centrifugal bending stress. It will produce compressive stress in one side of the blade whereas tensile stress in the opposite side. Any torsional stress arising from these centrifugal stresses is small enough to be neglected. Thus this stress is very sensitive to manufacturing errors. 1.3. Gas bending stress The force arising from the change in angular momentum of the gas in the tangential direction, which produces the useful torque, also tries to bend the blade about the axis of rotation of the blades. The stress arising due to this bending force is called as gas bending stress. There may be change of momentum in the axial direction and in reaction turbines there will certainly be a pressure force in the axial direction. All these two will produce a bending moment in the blade about the tangential direction. The gas bending stress will be tensile in the leading and trailing edges and compressive in the back of the blade and with tapered twisted blades either the leading or trailing edge suffers with the maximum value of this stress. This is a fluctuating stress and its value becomes maximum when the rotor blade passes through the leading edge of the stator. 1.4. Gas bending stress Turbine blade is subjected to three-dimensional temperature gradients, along the blade height, along the blade profile and along the thickness of the blade. Due to these temperature gradients the blade fibres tend to deform unequally. This unequal deformation causes mainly two types of stresses to set up in the blade, compressive and tensile. As the blade considered is un-cooled therefore the contribution of the stress due to the temperature gradient along the thickness of the blade in net stress is not appreciable and can be neglected. Usually with the cooled blade this source of stress is main among all the sources of thermal stress. Again the thermal stress due to the temperature gradient along the blade height would not come in picture because the blade is free to expand along the height. Only the stress due to temperature gradient along the chord of the blade will contribute in net blade stress but its magnitude would not be much because the temperature gradient along the chord is not so high. BLADE MATERIAL AND STRENGTH Gas turbine blades are exposed to a very severe thermal atmosphere. The temperature is so high that it is fairly much more than the melting points of the common high-strength materials. Besides high temperature the requirement of durability is also another factor, which makes common materials unsuitable for use. Only super alloys may be suitable for this purpose. But the current trend of continuously increasing the turbine entry temperature attracted the concentration of the designers not only towards the new materials with well-improved mechanical and thermal properties but also to restrict the temperature of the blade material by its proper cooling. So, the material should have sufficient strength to face the operating situations. 1.5. Strength of blade material In ordinary temperature conditions the strength of the material under constant loads is estimated by tensile strength or yield strength. At high temperatures under action of constant loads in ordinary structural materials there appears the phenomenon of creep. It occurs as a result of prolonged exposure of materials to high stresses at high temperatures. This is particularly a acute problem on highly stressed rotating turbine blades and it occurs in the form of slowly and continuously developing plastic deformation. And excess of this plastic deformation causes the failure of the component. It is observed that at constant stress the higher the temperature the more quickly proceeds the process of creep i.e. the lesser the life of the component. It means that at a particular stress lesser will be the temperature higher will be the life of component. Therefore life of the component is a function of working temperature and stress. Hence to maintain the life of the component at a desire v alue it is required to lower the temperature of the component. Gas turbines operate in conditions of high temperatures and therefore in highly stressed components like rotor blades there appears the phenomenon of creep. Therefore for these cases where creep is the main criterion behind component failure the ultimate tensile stress is defined as the stress at which the component fails at a certain working temperature after the expiry of a certain period of time. It means that the strength of the material subjected at high temperatures is a function of this temperature and its operational life. PAST COOLING The technology of turbine cooling was recognised by some almost from the inception of the first turbojet engine. Cooling studies were first performed in the 1940 and many investigations were carried on in the 1950s. Around 1960, turbine cooling was first used in a commercial aircraft engine. Since that time, there has been a very rapid rise in turbine inlet temperature that has placed an even greater emphasis on turbine cooling. A continuous improvement in high-temperature materials has also helped to increase the turbine inlet temperature. The cooling technique used during 1960s was single internal passage convection cooling. The air used for cooling was injected through the root of the blade and to the internal aerofoil.

English Assignment

HK Immigration Department Immigration Tower, 7 Gloucester Road, Wan Chai, Hong Kong 10 January 2013 Mr. Aris Chu 3/F, 8 York Road Kowloon Tong, Hong Kong Dear Mr. Chu RE: Working Holiday Scheme Thank you for your letter dated 2 January 2013 enquiring about the Working Holiday Scheme to New Zealand. I am glad to provide the information you need. Concerning the visa, ordinary visit visa holders are not allowed to work there. It allows you to leave and return to the host country multiple times. It allows the holders work in the same company for up to 3 months.Our work visa is valid for 12 months. Please note that any time you spend out of the country will not be added to the time the work visa is valid for in the ordinary visit. In addition, a financial proof of a certain amount of savings is needed, New Zealand is about NZ$ 4200 and Australia is about AU$ 5000. I am sorry to announce that the government will not provide any subsides for the applicants. However, the first 50 applicants will no need to pay administrative fee of HK$250, but you need to submit the application form as soon as possible.The annual quota of Australia and New Zealand are 5000 and 400. Regarding job seeking, the jobs in restaurants or bars are quite easy to find as a backpacker. Also, you can get seasonal jobs like fruit picking in farms and vineyards. During your stay, there is no language requirement to be eligible. I hope that the information enclosed will prove useful to you. Please feel free to contact us again if you have any further questions to our official website at http://whs. esdlife. com/. Yours sincerely Steve Petersons Senior Immigration Officer English Assignment HK Immigration Department Immigration Tower, 7 Gloucester Road, Wan Chai, Hong Kong 10 January 2013 Mr. Aris Chu 3/F, 8 York Road Kowloon Tong, Hong Kong Dear Mr. Chu RE: Working Holiday Scheme Thank you for your letter dated 2 January 2013 enquiring about the Working Holiday Scheme to New Zealand. I am glad to provide the information you need. Concerning the visa, ordinary visit visa holders are not allowed to work there. It allows you to leave and return to the host country multiple times. It allows the holders work in the same company for up to 3 months.Our work visa is valid for 12 months. Please note that any time you spend out of the country will not be added to the time the work visa is valid for in the ordinary visit. In addition, a financial proof of a certain amount of savings is needed, New Zealand is about NZ$ 4200 and Australia is about AU$ 5000. I am sorry to announce that the government will not provide any subsides for the applicants. However, the first 50 applicants will no need to pay administrative fee of HK$250, but you need to submit the application form as soon as possible.The annual quota of Australia and New Zealand are 5000 and 400. Regarding job seeking, the jobs in restaurants or bars are quite easy to find as a backpacker. Also, you can get seasonal jobs like fruit picking in farms and vineyards. During your stay, there is no language requirement to be eligible. I hope that the information enclosed will prove useful to you. Please feel free to contact us again if you have any further questions to our official website at http://whs. esdlife. com/. Yours sincerely Steve Petersons Senior Immigration Officer

Death Is Something That Is Extremely Challenging To Process

Death is something that is extremely challenging to process; even more so as a child. Therefore, children most of the time do not understand death and are confused about reasoning behind the loss. At this stage in a child’s life, they do not have the tools that are needed to deal with this kind emotional turmoil. Bereavement of a parent can traumatize a child so badly that it can affect him or her later in adulthood. Under those circumstances, psychological treatment should be obtained for the child after bereavement has taken place. In Angela Kanini Kaberia’s article, â€Å"Influence of early parental loss on the psychological functioning and sense of identity among young adults in Meru County, Kenya†, there were numerous†¦show more content†¦Ã¢â‚¬Å"According to Bowlby (1980), seral post death conditions of bereaved children, such as the need for continuous care from familiar attachment figures, availability of caregivers sensitive to their bereavemen t needs, and their limited understanding about death, makes them prone to poor observations, expressions and articulations, which may make them miss out on the actual significance of the loss† (Kaberia,2016,182). Consequently, mourning and grief may not be expressible at the right time. It will become something called â€Å"grief in waiting† (Kaberia, 2016, 182). Grief in waiting is when an individual suppresses grief until a later time. Therefore, this allows the grief never truly be dealt with and the mourning process cannot be fully completed. Notably, compulsive self-reliance, blame and guilt, desire to die, and persistent anxiety are just a few symptoms that these adults who experienced early parental death go through (Dilworth Hildreth,1997-1998 cited in Kaberia,2016,182). In addition, â€Å"Research has confirmed that early parental loss is associated with outbursts and loneliness (Murphy, 1986-87), depression, suicidal ideation and over- protectiveness, (Zall , 1994) and mental health (Dietrich, 1984 all cited in Kaberia, 2016, 182). To be noted an observation made by a man of the name James William Worden in 1996, that to understand the consequences of bereaved children that weShow MoreRelatedA Study On A Therapist With A Brain Tumor Essay1489 Words   |  6 PagesA therapist with a brain tumor tries to help a patient who suffers from insomnia, and in the process, they both confronts their fears. STORY COMMENTS NAOMI is inspired by true events. 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Imagination1250 Words   |  5 Pagessuccessful in my career path and enjoying the privileges of success, this is because I know this what has been done and what should be done. However, someone else such as illiterate based in a rural area can not imagine of what imagine but something else, perhaps something like owning his own herd of cattle and this because he knows this is what has been done and what should be done judging from past experiences and their society. As an IB student, I cannot imagine this as I have not been in this environmentRead MoreNormative Life Events That Changed Our Lives1682 Words   |  7 Pagesa whole. And one example of an idiosyncratic event that occurred during my life so far has been the passing of my grandfather, due to prostate and colon cancer. This was to me a idiosyncratic life event because it is not so normal, death is in a way normal but a death including two very bad cancers is not very common. 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Creative Project - 1779 Words

|Name: |Date: | Graded Assignment Write Like a Modernist Over the course of the next several days, you will complete a writing assignment. In the assignment, you will demonstrate your understanding of the tenets of modernist literature by rewriting a Romantic poem in a way that incorporates typically modernist qualities in terms of language, style, literary elements, and themes. The assignment is broken down into four parts. 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Little Field - 1518 Words

Initial Analysis Application of Little’s Law: The data for the first 50 days indicated that: No. of Jobs arrived till date = 153. No. of Completed Jobs = 152 Since there were no jobs in the order queue, the inventory of the system, taken as a whole, was 1 i.e. 60 kits in total. This number included the kits waiting in the machine queues and jobs that are currently being processed on the machines. The average arrival rate of the jobs per day was 3.06. This was taken as the initial throughput for the system. Applying Little’s law, Flow time=InventoryThroughput ∠´Flow time=0.3267 hrs. This value matched with the average lead time of 0.39 hrs. Capacity Determination: Initially we had one machine for every station and the throughput rate†¦show more content†¦Moreover, machine 1 had more jobs in its queue implying that it was more strained. Also since the trend indicated that the future demand was going to increase we decided to buy machine 1. Summary of Major Decisions: Day 50: * Order Machine 1: This was identified as the bottleneck based on the capacity comparison. * Order Machine 2: Machine 2 became the new bottleneck and so one unit was purchased. * Batch size: The order was changed to 2 lots of 30 units each. Initially we had no idea about the fixed time and the run times of different machines and so we decided to look at the pattern after altering the batch size. Days 52 – 58: * Order Machine 3: Machine 3 became the new bottleneck and so one unit was purchased. * Change Priority rule on station 2: Even after changing the batch size, there was no visible effect on the queue size and so we decided to change the change the priority rule on station 2 to give priority to step 4. Step 4 was the final step of processing on the job and hence was important from revenue generation point of view. As per the expectation the lead time decreased from 0.39644 days to 0.3682 days within a period of 16 days. * Order Machine 1: Machine 1 became the new bottleneck and so one unit was purchased. * Batch Size: The batch size was changed to 3 batches of 20 units each. This was done in the anticipation ofShow MoreRelatedLittle Field Essay772 Words   |  4 PagesAfter the initial observations of demand for littlefield labs (day 52), one of the first steps we took was to identify the bottleneck in the production chain. This was determined by looking at the r ate of utilization of the three machines and the number of jobs in the queue waiting for these machines. It was quickly determined that the machine 1 was our bottleneck, as it was the only machine with 100% utilization and excess number of jobs in the queue. This meant that machine 1 was not able to keepRead MoreCentral Washington University s Campus Program1027 Words   |  5 PagesCentral Washington University being a Division two sports school fields are an important factor. With Central Washington University being located in an area where water is a necessity to keep the grass green and healthy. Switching Central Washington University’s football field from grass to turf has many benefits. Central Washington University will be able to use the field more hours per day with no field recovery time needed, use it for more months out of the year in almost any type of weather,Read MoreReview Of The Wrath Of Jupiter 1245 Words   |  5 PagesJupiter It started out, a normal day. I was going to the fields, like usual. My wife, Fabiana, wanted to say good bye. Unlike most Roman marriages, we truly loved each other. Every day I left for work she would be right there saying good bye. 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There are particular skills needed to do well in this, which include being well-organized, good communicationRead MoreDystopia of Maya878 Words   |  3 Pageswalked along the ruined remains of life on the ground. Old cottages and fields were dotted along the countryside like relics of a forgotten era. The fields, no longer a youthful green, were brown, shriveled and unfriendly to the farmers of Eucalyptus who tried in vain to procure a single sprout to appease the Council. Sk eletons masquerading about in clothes and shoes worked on the fields feeding, begging, and fighting their fields in desperation. The picture should have been and normally was accompanied

Business Objective Free Essays

Seeking an entry-level position in marketing utilizing my strong analytical and communication skills combined with a Bachelor of Arts in Marketing. Recent college graduate with a Diploma in Engineering seeks an entry-level position in civil engineering. Recent university graduate seeking an internship with an online media company who can utilize my developed skills in communications and multimedia design. We will write a custom essay sample on Business Objective or any similar topic only for you Order Now â€Å"To enhance my professional skills in a dynamic and stable workplace†To join a company that offers me a stable and positive atmosphere and inspires me to enhance and therefore to innovate the work culture for the betterment of all parties concerned. To enhance my professional skills in a dynamic and stable workplace. To solve problems in a effective/creative manner in a challenging position. Seeking a job with an opportunity for professional challenges in the field of ABC. To build a long-term career in ‘your profession’ with opportunities for career growth. To keep up with the cutting edge of technologies.To gain employment with a company or institution that offers me a consistently positive atmosphere to learn and implement new technologies for the betterment of the organization. To use my educational skills in the best possible way for achieving the company’s goals. To join a company that offers me a stable and positive atmosphere and inspires me to enhance my skills in the XYZ industry. To join an organization that offers me a constructive workplace for communicating and interacting with customers and people. To obtain an IT position at a top-tier organization and utilize the EDUCATIONAL qualifications I’ve obtained in ABC University.To bring my strong dedication, responsibility, and motivation and to utilize my accounting qualifications obtained through ABC University. Accounting: I am exploring strategic opportunities within an organization focusing on internal audit positions. Specifically, I can bring you experience and success in improving business processes, excellent financial analysis. Management:To obtain a Senior Program Manager, Process Management or Quality oriented position with a company committed to continuous improvement and on time delivery of products and/or services.Seeking a challenging position in a warehouse environment where my stock-picking skills can be put to good use. Looking for a job in †¦ Experienced administrative assistant with over three years of supervisory experience, seeks position where knowledge and skills can be applied. To secure a management position in a high growth company with considerable advancement opportunities. Ideally, in a business development capacity with an emphasis on strategic planning. 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Domestic Violence Samples for Students †MyAssignmenthelp.com

Question: Discuss about the Domestic Violence and Consumption. Answer: Introduction Current patterns of consumption are unsustainable. Consumption greats a strain on natural resources which cause increment in waste production. This consumption includes food, transport, tourism and leisure hence increasing our demand on them consumes the treasured resources available. This promotes deviations in consumption patterns. Material Complexity; it involves consuming more products and services than the one someone can afford hence seeking products that are resource inefficient, endurable and with increased ecological impact. This unsustainable behavior leads change in lifestyle and consumer struggle to meet their needs. Human scale; most consumer tend to stretch and live beyond their social class, income and cultural setting which make this factor to be unsustainable to consumer in a way that it forces them to acquire extra resources to meet their increasing demand for products and services. Non Self-determination; through an increased reliance on large commercial businesses and large public sector organization, which make them unable to meet their needs and this influence what they want. Non ecological awareness; when it comes to conservation of resource and reduction of waste, the consumers lack proper information on this issue due to inadequate public awareness. Most of them will waste resources which could have been reused in one way or the other hence destroying the environment. Personal growth; most consumers depend on commercial or market to offer them consumption experiences instead of self-development of personal ability and experience in satisfaction. This unsustainable involves change in lifestyle and consumption style due to changes in income of different consumers. Food and drink consumption choices; consumption level should be conducive to health but most people tend to consume a lot of meat products instead of originally and locally produced products which increase their demand and force them to live beyond their social and income class. Housing consumption choices; purchasing homes or creating homes with high level of insulation and energy efficiency which involve high usage energy hence high energy wastage instead of purchasing a home constructed using sustainable material and energy conservative which will avoid wastage of resources Travel behavior; consumers should use the mean which is affordably and cheaply available instead of using the most expensive such as driving personal car which create unassailable in consumer behavior. Use of alternative transport such as public means or cycling for leisure, this will conserve environment and resource. Consumer behavior influences involved in unsustainable behavior above Consumer behavior; Is the study of individual, group or organization and the way they select, get and get products and services to satisfy their needs and the final effect on consumer and the society at large? The main factors that influence this consumer behavior include cultural factor, social factors, personal factors and psychological factors. Cultural factors; culture plays a crucial part when it comes to needs and consumption behavior of particular individual. An individual is influenced with his family, friends and the society surrounding them. Also subcultures social classes and cultural trends will influence the behaviors of an individual, subcultures are the people who shares and live in same lifestyle such as religions, age groups, ethnics and gender. Social classes on the other side involves people with different ranks tend to live within their class .lastly cultural trends are mostly ways followed according to their celebrity and social pressure. Social factors; this refers to a group of people who belong to a social group or membership; this group will tend to influence a person to live within the expectation of other members. This comprises of workmate, residence, leisure and hobbies. Family is the most influential factor; the environment shapes the person by developing attitudes. Social roles and status also has a positive influence on consumer behavior of an individual. The role played by a person in society or family and their status will define them. Personal factors; age of the person will influence their consumption behaviors. Individuals at youth stage and the old stage do not purchase and demand same products and services, this factor includes lifestyle, purchasing power and self-concept. Lifestyle of a person comprises of interest, activities and opinions . It will influence the behavior and purchasing choice. Purchasing power also will affect the behavior and purchasing decisions of an individual with accordance with the level of income. Lastly self-concept is the characters of each individual which results in consistence behaviors. Psychological factors; motivation determines the purchasing behavior of an individual; it is the inner feelings that press a person to demand a certain commodity to satisfy the need such as perception, beliefs and attitude. Perception is the way an individual interprets information on a given situation and make a decision. Belief and attitudes also influence the buying behavior in a way that an individual is able to develop a behavior against a certain class of commodities. The above factors are the main influence of consumer behavior and leads to the unsustainable consumption behaviors in the market as discussed in the question one above on the domestic violence. I decided to discuss the specifically since they outline the reason why unsustainability is experiences in the society as people struggle to live within their lifestyle and social class. The consumers have to understand the factors in order to live within their social classes, lifestyle, and income level and consider their cultural environment. Understanding the factors, they will have solved the problem of unsustainability consumption in the market. Theoretical critique of consumer behavior influence Howard and Sheth proposed that Psychological factors such as attitude determine the purchasing behavior of an individual; it is the inner feelings that press a person to demand a certain commodity to satisfy the need such as perception, beliefs and attitude. Perception is the way an individual interprets information on a given situation and make a decision. Belief and attitudes also influence the theory of buyer behavior (Loudon et al. 1993). Beyond the theory it further observed that clear integration of psychological, social and market influences on consumers. Howard and Sheth further admit and provide for different kind of decisions (Loudon and Bitta 1993) this critique seem to ignorer most of the Howard and Sheth proposed variables. Most studies attempted to empirically test the theory have failed to examine some of the development identified (Farley and Ring 1970, Hunt and Pappas 1972) Neman also on his evaluation model questioned the linear models of consumer behavior. Theory of Buyer Behavior, the theory was developed by Howard and Sheth (Howard and Seth 1969). It provides integration of various factors such as psychological, social and market influence on consumer decision.( Foxall 1990 P.10). Consumer Decision Model; was originally developed by Engel, Kollat and Blackwell in 1968 and has similar components as that of theory of buyer behavior but it differs in its structure presentation. It discusses the environmental and individual influence. Environmental influence includes class, culture, family, situation and personal influence. Individual on other side comprises of motivation, consumer resources and knowledge, personal values, attitude and lifestyle (Blackwell, Miniard et al.2001). The model is suitable in explaining situations in solving extended and limited problems by amending the various stages engaged ( Loudon and Della Bitta 1993) Prescriptive Cognitive Model; was established in 1960 by market researches and mainly focused on attitude and beliefs (Ahtola 1975). The model was further developed in reasoned action. It is a combination of consumer attitude and norms of consumer purchasing (Solomon Bossy et al 2006) The Theory of Trying; the model gives an alternative approach. The approach model assesses trying to act. This involves attitudes and expectation of success or failure are used as variables which influences consumer behavior ( Bagozzi and Warshaw 1990 ). The theory is mostly used in health related situations. Discuss and compare relevant traditions of ethical thinking. This theory does not try to find out definite choices about being good or evil Traditional ethical thinking is categorized into three main ways but in this question is going to majorly discus two main once that is the normative and meta-ethics. Normative ethics is mostly concerned with values and standards which are used to determine if something is good on the other hand, meta-ethics addresses the nature of doing the right thing. Normative ethics Norm in this context refers to the standard of analyzing the outcome of ones judgments. It is in many cases used to show how a number of people would behave in when faced with a common issue. When used in this context the norm is not evaluative but an observation of a decision without judgment. In most cases the use of normative as a term is avoided especially in areas where there is evaluation of decisions making but use in areas where there is a description of a positive outcome. Meta-ethics This is a branch of ethics which try to find the nature of ethical judgments and approaches to different situations. It deals with questions such as how to tell if something is good or bad and generally tries to describe what goodness means. A number of theorists says that a metaphysical way of morality is important in coming up with the best ways of handling a problem. Richard Garner argues that there are three forms of meta-ethical questions, what does moral means, its nature and how it can be supported? This theory does not try to find out definite choices about being good or evil. References AHTOLA, O. T., 1975. The Vector Model of Preferences: An Alternative totheFishbeinModel.JMR, Journal of Marketing Research, 12, (1) 52-59. BAGOZZI, R., et al., 1990. Trying to Consume. Journal of Consumer Research, 17, (2) 127-140.Rook, D.W. and Fisher, R.J., 1995. Normative influences on impulsive buying behavior. Journal of consumer research, 22(3), pp.305-313. BECK, 1991. Predicting dishonest actions using the theory of planned behavior. Journal of Research in Personality, 25, 285-301 Connolly, J. and Prothero, A., 2003. Sustainable consumption: consumption, consumers and the commodity discourse. Consumption, Markets and Culture, 6(4), pp.275-291. Daly, H.E., 1990. Toward some operational principles of sustainable development. Ecological economics, 2(1), pp.1-6. Eisenbeiss, S.A., 2012. Re-thinking ethical leadership: An interdisciplinary integrative approach. The Leadership Quarterly, 23(5), pp.791-808. Fuchs, D.A. and Lorek, S., 2005. Sustainable consumption governance: A history of promises and failures. Journal of Consumer Policy, 28(3), pp.261-288. Gasper, D., 2016. Ethics of development. Gadd, D., Corr, M.L., Fox, C.L. and Butler, I., 2014. This is Abuse Or is it? Domestic abuse perpetrators responses to anti-domestic violence publicity. Crime, Media, Culture, 10(1), pp.3-22. Jackson, T., 2005. Motivating sustainable consumption. Sustainable Development Research Network, 29, p.30. Mitroff, I.I. and Linstone, H.A., 1995. The unbounded mind: Breaking the chains of traditional business thinking. Oxford University Press. Park, C.H. and Kim, Y.G., 2003. Identifying key factors affecting consumer purchase behavior in an online shopping context. International Journal of Retail Distribution Management, 31(1), pp.16-29 Sirgy, M.J., 1982. Self-concept in consumer behavior: A critical review. Journal of consumer research, 9(3), pp.287-300. Solomon, M.R., 2014. Consumer behavior: Buying, having, and being (Vol. 10). Engelwood Cliffs, NJ: Prentice Hall. Solomon, M., Russell-Bennett, R. and Previte, J., 2012. Consumer behaviour. Pearson Higher Education AU.