Destiny, Fate, and Free Will in Shakespeares Macbeth Essay -- GCSE En

Macbeth:  The Role of Fate   Destiny assumes a significant job in Shakespeare's Macbeth.  The bizarre sisters use destiny to unleash destruction among the Scottish nobility.  Also, Macbeth and Lady Macbeth entice fate.  Later in the play, Malcolm, Macduff and different progressives attempt to adjust fate.  Fate can be numerous things to a wide range of people.   If one accepts that destiny is comprehensive, at that point it turns into an ideal reason for one's deeds.  Yet, to Macbeth destiny was something unquestionably more complex.  Macbeth, after observing a trace of validity in the witches’ predictions, decided to accept all that they talked but then at times felt that he expected to give destiny a hand          The unusual sisters, consider that destiny isn't something to be excessively worried about, yet rather it is something to be delighted in. In any case, their boss, Hecate, clearly believes that it was significant enough to train the bizarre sisters obnoxiously for mishandling it.  The abnormal sisters see destiny as routinely as Macbeth sees water and bread.  In Macbeth, it appears, the witches can go all through time at will.  Thus, they can both see the future and to change its very course.   When inspected diagnostically, this capacity has all the earmarks of being an unreasonable Catch 22, however Shakespeare's incredible work is overflowing with conundrums, Reasonable is foul, and foul is fair(I.i.11).  The witches appear to definitely know the culmination of both Macbeth’s and Banquo's separate fates.  However, they, for reasons unknown unbeknownst to the crowd, regard it important to meddle with this destiny educating Macbeth and Banquo concerning their fates. Activities of this nature cause it to appear as though the... ...n was again his ruin when he got scared of MacDuff and lost the fight that brought about his execution.          While destiny can be seen as something that can't be adjusted, the main way a tough individual could ever utilize destiny is to their advantage.  To utilize destiny as a wellspring of solidness and justification for confidence in one's own self and one's own capacities is a positive utilization of fate.  However, turning out to be arrogant in or putting together one's couple of earth shattering choices with respect to destiny is certifiably not an astute endeavor as Macbeth learned.  Fate resembles religion and some other conviction dependent on impalpable thoughts: it tends to be a decent reason to not assume responsibility for one's own life and obligation regarding one's own decisions.  When destiny supplants through and through freedom in the request for significance, at that point turmoil will undoubtedly follow.      

Tesco Case Study with Questions Essay Example

Tesco Case Study with Questions Essay Tesco, notable as Britain’s driving food retail bunch with a nearness likewise in Europe and Asia has additionally been a pioneer on the web. As this Tesco. com contextual investigation appears, retailer Tesco is commonly perceived as the universes biggest online food merchant and it has a yearly turnover of ? 1 billion online in the UK and has propelled in different nations, globally and is expanding into non-food classes. http://www. tescocorporate. com/plc/In 2006/7, Tesco. com deals were accounted for to be deals up 29. %, benefit (pre-Direct beginning up costs) up 48. 5%; †¢More subtleties on online deals and non-food deals subtleties are additionally given in the primary www. tescoplc. com/plc/Today the tesco. com model works in the UK, the Republic of Ireland and South Korea. Online basic food item deals have surpassed ? 1 billion without precedent for the UK alone. We have a functioning client base of 850,000 and in excess of 250,000 requests are presently being f inished every week. In the UK, about 1,860 vans work out of 294 stores. In our Newcastle store our administration is well known to the point that there are presently 18 vans conveying to neighborhood clients. Drivers convey somewhere in the range of 9am and 11pm, and our staff begin picking our customers’ orders from 6am. A record-breaking 1. 3 million customers picked tesco. com to convey their presents and goods over Christmas, and to ensure that these were completely picked effectively, our staff began picking significantly before, at 4am. Tesco. com have around 9,000 pickers, the dominant part in existing stores, yet one explicit conveyance store has been opened in Croydon. ttp://www. theregister. co. uk/2006/01/17/tesco_mobile_xmas/1. Deals at Tesco. com, the UK showcase pioneer in home shopping, rose by 32% year-on-year, however they still just speak to over 3% of its UK deals of ? 32. 7bn! Tesco said it had 750,000 standard clients and 200,000 requests every week internet giving an all out turnover drawing closer ? 1 billion Update Tesco Di rect propelled Read http://www. internetretailer. com/2006/10/06/u-k-s-tesco-dispatches tesco-direct-for-non-food-online-deals In 2006, Tesco propelled Tesco Direct to match inventory retailers, for example, Argos. We will compose a custom article test on Tesco Case Study with Questions explicitly for you for just $16.38 $13.9/page Request now We will compose a custom exposition test on Tesco Case Study with Questions explicitly for you FOR ONLY $16.38 $13.9/page Recruit Writer We will compose a custom exposition test on Tesco Case Study with Questions explicitly for you FOR ONLY $16.38 $13.9/page Recruit Writer More than 8,000 items will be accessible from beds and couches through to kitchenware, electricals, cameras, bicycles and golf clubs giving clients a larger number of items at extraordinary Tesco costs than they have ever approached previously. Clients can pick the item they need on another site or from another inventory and afterward request in one of three different ways: †¢On-line by means of the tesco. com site †¢By telephone †¢In chose stores at the new Tesco Direct work areas In the public statement for this update it was accounted for that Tesco. com now has ? million ordinary basic food item customers with more than 200,000 requests for each week and accomplished over ? 1 billion in deals in 2005. Tesco Product runs The Tesco. com webpage goes about as an entryway to the greater part of Tescos items, including different non-food ranges (for instance, Books, DVDs and Electrical things under the ‘Extra’ flag), Tesco Personal Finance and the telecoms organizations, just as administrations offered in association with master organizations, for example, eating fewer carbs clubs, flights and occasions, music downloads, gas, power and DVD rentals. It doesn't right now sell attire on the web however in May 2005 it presented a dress site (www. clothingattesco. com), at first at to grandstand Tescos dress brands and connection clients to their closest store with this range. Tesco Competitors Tesco at present leads the UK’s other driving basic food item retailers as far as piece of the overall industry. This example is rehashed on the web. The accumulation underneath is from Hitwise (2005) and the figures in sections show piece of the overall industry for customary disconnected retail designs from the Taylor Nelson Softres Super Panel (see http://superpanel. tns-worldwide. com). 1. Tesco Superstore, 27. 28% (29% of retail exchange) 2. ASDA, 13. 36% 3. ASDA @t Home, 10. 13% (17. 1%) 4. Sainsburys, 8. 42% 5. Tesco Wine Warehouse, 8. 19% 6. Sainsburys to You, 5. 86% (15. 9%) 7. Waitrose. com, 3. 42% (3. 6%) 8. Ocado, 3. 2% (possessed by Waitrose, 3. 6%) 9. Lidl, 2. 49% (1. 8%) 10. ALDI †UK, 2. 10% (2. 3%) †¢http://www. tesco. com/talkingtesco/oldDefault. asp Some organizations are rehashed since both their primary website and the internet shopping webpage are accounted for on independently. Asda. com now is by all accounts acting in a predi ctable way online to its disconnected nearness. Be that as it may, Sainsburys online execution is by all accounts essentially lower contrasted with its disconnected presentation. A few suppliers, for example, Ocado which initially just worked inside the London region have a solid neighborhood execution. Strikingly, some of Tesco. om contenders are missing from the Hitwise posting since their technique has been to concentrate on retail designs. These are Morrisons (12. 5% retail share, Somerfield (5. 5%) and Co-operation (5. 0%). Advancement of Tesco benefits As with other online retailers, Tesco. com depends on in-store publicizing and advertising to the markets Clubcard dependability plans client base to convince clients to shop on the web. NMA (2005) cites Nigel Dodd, promoting chief at Tesco. com as saying: ‘These are significant sources as we have such a solid client base’. Be that as it may, for non-food merchandise the grocery store advertises web based utilizing catchphrase focused on promotions. For existing clients, email advertising and post office based mail showcasing to give exceptional offers and advancements to clients is significant. As indicated by Humby (2003), e-retailer Tesco. com use what he portrays as a ‘commitment-based segmentation’ or ‘loyalty ladder’ which depends on recency of procurement, recurrence of procurement and worth which is utilized to distinguish 6 lifecycle classes which are then additionally partitioned to target interchanges: †¢Ã¢â‚¬Å"Logged-on† †¢Ã¢â‚¬Å"Cautionary† †¢Ã¢â‚¬Å"Developing† †¢Ã¢â‚¬Å"Established† †¢Ã¢â‚¬Å"Dedicated† †¢Ã¢â‚¬Å"Logged-off† (the point here is to winback) Tesco then utilize mechanized occasion activated informing can be made to ncourage proceeded with buy. For instance, Tesco. com have a touch methodology which incorporates an arrangement of follow-up interchanges activated after various occasions in the client lifecycle. In th e model given beneath, correspondences after occasion 1 are proposed to accomplish the target of changing over a site guest to activity; interchanges after occasion 2 are planned to move the client from a first time buyer to a standard buyer and for occasion 3 to reactivate slipped by buyers. †¢Trigger occasion 1: Customer first registers nearby (however doesn't accepting). Pre-programmed message (AR) 1: 2 days after enrollment email sent contribution telephone help and ? 5 rebate off first buy to energize preliminary. Trigger occasion 2: Customer first buys on the web. †¢AR1: Immediate request affirmation †¢AR2: 5 days after buy email sent with connection to online consumer loyalty study getting some information about nature of administration from driver and picker (e. g. thing quality and replacements). †¢AR3: fourteen days after first buy Direct mail offering tips on the most proficient method to utilize administration and ? 5 rebate on next buys expected to e mpower re-utilization of online administrations. AR4: Generic month to month e-pamphlet with online restrictive offers empowering strategically pitching †¢AR5: Bi-week by week alert with customized offers for client. †¢AR6: After 2 months ? 5 rebate for next shop †¢AR7: Quarterly mailing of coupons empowering rehash deals and cross-deals Trigger occasion 3: Customer doesn't buy for an all-inclusive period †¢AR1: Dormancy identified †Reactivation email with study of how the client is finding the administration (to distinguish any issues) and a ? 5 motivating force. †¢AR2: A further markdown motivator is utilized so as to urge proceeded with utilization to shop after the primary shop after a break. Tesco’s online item technique NMA (2005) ran a profile of Laura Wade-Gery CEO of Tesco. com since January 2004 which gives an intriguing knowledge into how the business has run. In her first year, all out deals were expanded 24% to ? 719 million. Laura, is 40 years of age, a sharp competitor and has followed a fluctuated vocation creating from a MA in History at Magdalen College, Oxford, a MBA from Insead; Manager and accomplice in Kleinwort Benson; Manager and senior expert, Gemini Consulting; Targeted promoting chief (Tesco Clubcard), and Group procedure irector, Tesco Stores. The development directed by Wade-Gery has been accomplished through a mix of activities. Item go improvement is one key region. In mid 2005, Tesco. com satisfied 150,000 basic food item arranges seven days however now additionally offers progressively immaterial contributions, for example, e-diets and music downloads. She has likewise centered around improving the client experience online †the tim e it takes for another client to finish their first request has been diminished from longer than an hour to 35 minutes through ease of use work coming full circle in a significant webpage amendment. To help the business has it expands into new regions, Wade-Gery’s system was ‘to make home conveyance part of the DNA of Tesco’ as per NMA (2005). She proceeds: ‘What we offer is conveyance to your home of a Tesco administration †its an undeniable augmentation of the home-conveyed goods idea. ’ My May 2005, Tesco. com had 30,000 clients pursued DVD rental, through accomplice Video Island (who run the opponent Screenselect administration). Throughout the following year, her objective is to treble this aggregate, while a

Jim Poss Case Study Analysis

The primary development technique that Jim relied on truly was based over the potential up and coming increment in requests for clean and cost cutting vitality arrangements. The paper advised him that as vitality costs will take off. Coordinations for cost sparing could be the starting point of birth of another and consistently developing division, and that on the off chance that he jumped on it right off the bat (as he did), This could end up being a worthwhile thought. BigBelly wasn't just a gadget for setting aside Cash. t could've been advertised for the green-picture depicted by its essence out in the open spaces and how this could help improve the eco-accommodating picture of the organizations that utilizes them. in the mid 2000's huge enterprise were at that point enormously subsidizing different Corporate social Responsibility[CSR] ventures, primarily for their open picture and therefore benefit, this would've been a perfect advertising specialty as Devices, for example, Jim' s serves those definite needs, Yes I would have taken the order.Jim's choice to acknowledge the request from the Ski resort was a shrewd one, hazardous however brilliant, this was a really extraordinary and maybe fundamental opportunity,lets put it that way: the way that a business(in inconvenience) was eager to put resources into a gadget (electric or not) without having the option to test it in advance is an achievement all alone, yet the way that its engineer wasn't even certain how to really assemble it, was a considerably more noteworthy one, sure Jim had built and sold a model previously, yet as long as Vail is concerned the gadgets they're Purchasing (3 from the start) didn't exist yet.Finally I accept that if not for the cutoff time and by being under time compel, Jim and his group would have taken any longer to make sense of the ins-and outs of the assembling procedure of BigBelly, and along these lines maybe lose future chances

Collegeboard Essay Samples - Is it a Scam?

Collegeboard Essay Samples - Is it a Scam? If you're not healthy, you won't get to relish life. Women in the film are unwavering and prepared to provide their precious aid in a dire circumstance. Summary Hiring a low-cost essay service may be an ideal alternative for students at one time crunch. Happiness comes in the kind of having good wellbeing. Don't forget that any argumentative essay sample you'll discover on the internet will require a full rewriting in order to prevent plagiarism. Before you begin reading, examine the question that follows the passage. Your response shouldn't be a book report. The major component which produces a persuasive essay in English stand out from the remainder of assignments is the use of reasoning. The Bad Secret of Collegeboard Essay Samples When you go back do a more sophisticated reading of the write-up, sure to keep a look out for argument-building methods and to attempt to stay objective. While having the ability to write about w hatever you wish sounds great in theory, some students findespecially at the start of the brainstorming processthat they are debilitated by the subject of your choice option since it offers an excessive amount of option. Due to how it's an opinionated piece of writing and mixes facts with emotions it has an inclination to use fairly straightforward language. You may even be in a position to read examples from previous students to acquire your creative juices flowing. If you are in possession of a nice and warm personality, individuals will be attracted to you and won't mind spending time with you. Some individuals, for example, will be a great deal faster at reading than they're at planning, while it may be the other way around for others. To comprehend how women are portrayed as activists, it is essential to have knowledge on the plot of the film. The actual individuals highly praise our essay help site. Lies You've Been Told About Collegeboard Essay Samples You only have to let us know which form or kind of essay you require assistance in. To compose an impressive short essay, especially during an examination, you should be in a position to hit the question and offer a straightforward answer while at the identical time observing the most suitable structure of an essay. No matter the subject, the structure is precisely the same for any persuasive essay. Our website is just one of the most appropriate for essay help. You can trust the very best essay help online. You can readily locate essay writing services that may write for you at cheap prices. There are several essay writing services that think they're the very best, and thus don't be cheated and check the legitimate collection of the very best. Weave in your perspective to earn your essay unique. The essay offers you a chance to reveal how effectively it is possible to read and comprehend a passage and compose an essay analyzing the passage. Sample persuasive essays can also offer inspiration on topics to write on in addition to serve as examples about how to compose your essay. A persuasive essay needs to be able to grab the interest of the folks reading it easily. Selecting a great topic for your essay is among the most essential and frequently tricky parts for many students. The way the topic affected you'll play a huge part in the way you will write your essay. There are several varieties of essays, it isn't hard to shed an eye on all your writing assignments. The most effective persuasive short essays often concentrate on controversial problems. Writing of scholarship graduate essay is a really tough academic task simply because students need to demonstrate they are capable of accomplishing the task that they're applying for. Most academic essay topics usually ask you to choose a side in an argument or maybe to defend a specific side against criticism. High school, college, and sometimes even university students from all around the world are writing persuasive essays. There are a lot of persuasive essay examples college students are able to make use of online.

The inner world is stranger than the world of Harry Potter...

The inner world is stranger than the world of Harry Potter created out of the bricks of Vampirism The Gothic novel is not just an ordinary story of vampirism, it is rather a story about a very particular kind of myth that is very old, that goes back even before the ancient Greeks. In classical mythology there have been always stories about exotic lands inhabited by exotic creatures, there have been always a fascination with constructing images of monsters male and female. In classical mythology there have been always stories about the encounter between the mortal and the immortal, between the ordinary and the exotic. There have been always an attraction to images of monsters, designed to shock and horrify. In short various images of†¦show more content†¦Rowling. The seven fantasy novels named after the titular character, chronicle the adventures of a wizard, Harry Potter, and his friends Ronald Weasley and Hermione Granger, all of whom are students at Hogwarts School of Witchcraft and Wizardry. The main story arc concerns Harrys quest to overcome the Dark wizard Lord Voldemort, who aims to become immortal, conquer the wizarding world, subjugate non-magical people, and destroy all those who stand in his way, especially Harry Potter (Wikipedia).Warner Brothers produced big banner movies on the basis of the stories. More than that, now in Florida City â€Å"Harry Potter Theme Park† is being established with millions of dollars investment. The issue for consideration is; why are adolescents as well as other age-groups drawn to Harry Potter stories? Here is the answer; Harry Potter’ stories take readers to a wonderland that is extraordinary, miraculous, magical and spinning. A wonderland that is entirely different from the secular world nearby. Readers experience something totally sublime. At every turn of the story extra-terrestrial scenarios occur. Strange events happen. The hero â€Å"Harry† travels in a magic broom that flies like an airplane. The stories fill a gap of a missing thing, something missing in the human inner world. Something that supports the imbalanced mind somewhere. By reading such out of the world stories, filled withShow MoreRelatedLogical Reasoning189930 Words   |  760 Pagesany other subject, and it is not a book about what you ought to believe about some subject. Although many scientific studies of decision-making have shown that people tend to sift sources of information looking to reinforce existing views rather than to accept the view that is backed up with the better argument, our course is designed to combat this tendency. Facing a Decision as a Critical Thinker Imagine this situation. You are on a four-day backpacking trip in a national wilderness area Read MoreProject Mgmt296381 Words   |  1186 PagesProcess Analysis and Improvement, First Edition Simchi-Levi, Kaminsky, and Simchi-Levi, Designing and Managing the Supply Chain: Concepts, Strategies, Case Studies, Third Edition Sterman, Business Dynamics: Systems Thinking and Modeling for Complex World, First Edition Stevenson, Operations Management, 10th Edition Swink, Melnyk, Cooper, and Hartley, Managing Operations Across the Supply Chain, First Edition Thomke, Managing Product and Service Development: Text and Cases, First Edition Ulrich andRead MoreStephen P. Robbins Timothy A. Judge (2011) Organizational Behaviour 15th Edition New Jersey: Prentice Hall393164 Words   |  1573 PagesWhat’s My Attitude Toward Older People? 40 Myth or Science? â€Å"Dual-Career Couples Divorce Less† 47 An Ethical Choice Religious Tattoos 51 glOBalization! Images of Diversity from Around the Globe 54 Point/Counterpoint Men Have More Mathematical Ability Than Women 61 Questions for Review 62 Experiential Exercise Feeling Excluded 62 Ethical Dilemma Board Quotas 62 Case Incident 1 The Flynn Effect 63 Case Incident 2 Increasing Age Diversity in the Workplace 64 3 Attitudes and Job Satisfaction 69

Marriage of John and Elizabeth in Arthur Millers The...

Marriage of John and Elizabeth in Arthur Millers The Crucible John Proctor shows many strengths and weaknesses throughout The Crucible. He is honest, upright and blunt-spoken. His manliness acts a great strength, but also as a weakness, for this is what led him to his affair with Abigail. The guilt he feels over this contributes to his imprisonment and death as it prevents him from speaking out soon enough. Proctor is honest and regrets what he has done wrong. â€Å"God help me, I lusted and there is a promise in such sweat. But it is a whore’s vengeance and you must see it, I set myself entirely in your hand.† This shows he accepts his mistakes and regrets them, but he knows he must†¦show more content†¦She is paranoid. â€Å"What keeps you so long?† shows she is always thinking and expecting the worst. In this case she thinks John has been with Abigail. This could also show she is pessimistic. Elizabeth is demanding, in charge and domineering. This is shown in her marriage to John. John has to answer to Elizabeth and she has to know where he is all the time. She is confident in her own morality and is able to maintain a sense of virtue. Elizabeth is thought of as a woman of unimpeachable honesty, but it is this reputation that causes her husband to be condemned when thinking it will save him, lies about his affair with Abigail. The crucible can be seen as a classic tragedy. John plays the honest and kind hero. He has one secret though, his lust for Abigail Williams. This affair leads to Abigail’s jealousy towards John’s wife Elizabeth. His affair with Abigail ends, but the trail in the marriage of John and Elizabeth Proctor does not. Elizabeth can never regain John’s trust and is very suspicious whenever he is not around, especially when he returns home late. Abigail continues to make a pass on John, but he has realised it was a mistake and does not agree with Abigail. When he bursts out with his confession about committing adultery by calling Abigail a â€Å"whore†, Elizabeth obviously realises that she can trust him that he is no longer havingShow MoreRelatedTheme Of Pride In The Crucible860 Words   |  4 PagesArthur Miller, the playwright of The Crucible, utilises the interactions between characters to explore various key ideas. John Proctor, a vital anti-hero is fundamental to the portrayal of concepts like pride and deceit. By first viewing the characterisation of both John Proctor and Reverend Hale, Miller is able to explore the idea that dying with dignity trumps living with shame. Similarly, the relationship between Elizabeth and John Proctor represents the ever-lasting effects of deceit. These underlyingRead MoreArthur Miller s Real Life Events Behind Lies, Betrayal, And Conflict853 Words   |  4 PagesArthur Mille r’s real life events behind lies, betrayal, and conflict. Arthur Miller was an American novelist who has wrote many plays, such as The Crucible. The Crucible 1953, recreates the Salem Witch Trials, focusing on paranoid hysteria as well as the individuals struggling to remain true to ideals and convictions (Cliff Notes). Prior to writing the play, Arthur Miller experienced scenarios in his life that persuaded him to write the drama noted in the Salem Witch Trials. For example, he was targetedRead MoreAnalysis Of John Proctor s The Crucible 1223 Words   |  5 PagesFORGET In common vernacular, a crucible is used to heat substances in order to become more pure or perfect; however, when a town with strict theology and no tolerance is subject to the grueling torture of innocent lives dying for a false cause, the result is anything but perfect. Though John Proctor does find some relief in his redemption at the end, by no means does the drama have a happy ending. Though it is somewhat plausible to define Arthur Miller’s drama, The Crucible, as a comedy, there is overwhelmingRead MoreThe Crucible By Arthur Miller1852 Words   |  8 Pagespersonal interpretations. It is inconceivable to imagine that each novel has only one prominent underlying message or theme. Arthur Miller, the American dramatist and playwright, out of The University of Michigan, was able to transform one of the most notable accounts of mass hysteria and loss of rational thought, and mold it into an elaborate and complex drama. Miller’s, The Crucible tells the story of the Salem witch trials that occurred in Salem, Massachusetts in the late seventeenth century. LiteraryRead MoreAnalysis Of Arthur Miller s Death Of A Salesman 1136 Words   |  5 PagesTHE2000 2 August 2, 2016 Arthur Miller’s Impact Arthur Miller was born in 1915, and he died in 2005. He is possibly the most well-known and influential American playwright. 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His father, Isidore Miller, was a ladies-wear manufacturer and shopkeeper whoseRead MoreThe Effective Use of Dramatic Devices in Millers The Crucible3571 Words   |  15 PagesThe Crucible by Arthur Miller is a famous play which was written in the early 1950’s. The Crucible is a play based upon the events in 1692, which led to the ‘Salem Witch Trials’, a series of hearings before local magistrates to prosecute over 150 people accused of witchcraft. This was due to the hysteria caused by a group of girls accusing innocent people of witch craft. The play was set in Salem, Massachusetts between February 1692 and May 1693. Salem was a very isolated and puritanical communityRead MoreComparing The Crucible and Salem Witch Trials Essay1419 Words   |  6 Pages The purpose of my paper is to compare and contrast Arthur Miller’s The Crucible with the actual witch trials that took place in Salem in the 17th Century. Although many of the characters and events in the play were non-fictional, many details were changed by the playwright to add intrigue to the story. While there isn’t one specific cause or event that led to the Salem witch trials, it was a combination of events and factors that contributed to the birth and growth of the trials. Some of theseRead MoreThe Crucible, a Tragedy?811 Words   |  4 Pages11 7 November 11 The Crucible: A Tragedy One day in November of 2009 a young girl was killed in a hit and run by a negligent driver. Her name was Courtney Snipes; she was only 11 years old. Courtney’s family suffered from tragedy much like the characters in Arthur Miller’s play The Crucible. These characters lost dozens of their neighbors all because of one group of girl’s ability to lie. Through Aristotle’s definition of what a tragedy in literature is; The Crucible can be easily definedRead MoreThe Crucible By Arthur Miller1177 Words   |  5 Pages20, 2014 The Crucible In Arthur Miller’s The Crucible, written in 1953 the main character Abigail Williams is to blame for the witch trials in Salem, Massachusetts around 1692. The most despicable character in The Crucible is Abigail Williams because she is the reason for many peoples’ deaths. Abigail’s lies and manipulative actions lead to pain for others characters in the play. Abigail’s lies caused destruction and harm to the Proctor family. Such as when Abigail convicted Elizabeth Proctor of witchcraft

Tesla Turbine free essay sample

Whether the natural source is air, moving water, coal or petroleum, the input energy is a fluid. And by fluid we mean something very specific its any substance that flows under an applied stress. Both gases and liquids, therefore, are fluids, which can be exemplified by water. As far as an engineer is concerned, liquid water and gaseous water, or steam, function as a fluid. At the beginning of the 20th century, two types of engines were common: bladed turbines, driven by either moving water or steam generated from heated water, and piston engines, driven by gases produced during the combustion of gasoline. The former is a type of rotary engine, the latter a type of reciprocating engine. Both types of engines were complicated machines that were difficult and time-consuming to build. Consider a piston as an example. A piston is a cylindrical piece of metal that moves up and down, usually inside another cylinder. We will write a custom essay sample on Tesla Turbine or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page In addition to the pistons and cylinders themselves, other parts of the engine include valves, cams, bearings, gaskets and rings. Each one of these parts represents an opportunity for failure. And, collectively, they add to the weight and inefficiency of the engine as a whole. Bladed turbines had fewer moving parts, but they presented their own problems. Most were huge pieces of machinery with very narrow tolerances. If not built properly, blades could break or crack. Teslas new engine was a bladeless turbine, which would still use a fluid as the vehicle of energy, but would be much more efficient in converting the fluid energy into motion. Research Gaps:- Tesla had several machines built. Juilus C. Czito, the son of Teslas long-time machinist, built several versions. The first, built in 1906, featured eight disks, each six inches (15. 2 centimeters) in diameter. The machine weighed less than 10 pounds (4. 5 kilograms) and developed 30 horsepower. It also revealed a deficiency that would make ongoing development of the machine difficult. The rotor attained such high speeds 35,000 revolutions per minute (rpm) that the metal disks stretched considerably, hampering efficiency. In 1910, Czito and Tesla built a larger model with disks 12 inches (30. 5 centimeters) in diameter. It rotated at 10,000 rpm and developed 100 horsepower. Then, in 1911, the pair built a model with disks 9. 75 inches (24. 8 centimeters) in diameter. This reduced the speed to 9,000 rpm but increased the power output to 110 horse Bolstered by these successes on a small scale, Tesla built a larger double unit, which he planned to test with steam in the main powerhouse of the New York Edison Company. Each turbine had a rotor bearing disks 18 inches (45. 7 centimeters) in diameter. The two turbines were placed in a line on a single base. During the test, Tesla was able to achieve 9,000 rpm and generate 200 horsepower. However, some engineers present at the test, loyal to Edison, claimed that the turbine was a failure based on a misunderstanding of how to measure torque in the new machine. This bad press, combined with the fact that the major electric companies had already invested heavily in bladed turbines, made it difficult for Tesla to attract investors. In Teslas final attempt to commercialize his invention, he persuaded the Allis-Chalmers Manufacturing Company in Milwaukee to build three turbines. Two had 20 disks 18 inches in diameter and developed speeds of 12,000 and 10,000 rpm respectively. The third had 15 disks 60 inches (1. 5 meters) in diameter and was designed to operate at 3,600 rpm, generating 675 horsepower. During the tests, engineers from Allis-Chalmers grew concerned about both the mechanical efficiency of the turbines, as well as their ability to endure prolonged use. They found that the disks had distorted to a great extent and concluded that the turbine would have eventually failed. Even as late as the 1970s, researchers had difficulty replicating the results reported by Tesla. Warren Rice, a professor of engineering at Arizona State University, created a version of the Tesla turbine that operated at 41 percent efficiency. Some argued that Rices model deviated from Teslas exact specifications. But Rice, an expert in fluid dynamics and the Tesla turbine, conducted a literature review of research as late as the 1990s and found that no modern version of Teslas invention exceeded 30 to 40 percent efficiency. This, more than anything, prevented the Tesla turbine from becoming more widely used. Objectives of the experiment: According to Nikola Tesla, the three key efficiency points of his turbine are: †¢ The inlet nozzle †¢ Disk geometry †¢ The outlet nozzle Experimental works aimed first of all at establishing relationships between the turbine efficiency and parameters given below: Distance between the turbine disks †¢ Number and diameter of the turbine disks †¢ Number of inlet nozzles to the turbine †¢ Rotational speed of the rotor †¢ Inlet pressure †¢ Inlet temperature †¢ Inlet velocity and inlet angle †¢ Corrosion and erosion of turbine elements †¢ Constructional materials (composites, ceramic materials, bronzes, alumin um alloys) †¢ Kind of medium flowing through the turbine (air, biogas, organic agents, exhaust gases, multiphase media, etc). Proposed Experimental Programme / Theoretical Analysis:- Construction:- There are mainly 2 parts in the turbine. (1) Rotor:- In the rotor it consists of series of smooth discs mounted on a shaft. Each disk is made with openings surrounding the shaft. These openings act as exhaust ports through which the fluid exits. Washers are used as Spacers; the thickness of a washer is not to exceed 2 to 3 millimeters. [pic] (2) Stator:- The rotor assembly is housed within a cylindrical stator, or the stationary part of the turbine. Each end of the stator contains a bearing for the shaft. The stator also contains one or two inlets, into which nozzles are inserted, which allows the turbine to run either clockwise or counterclockwise. To make the turbine run, a high-pressure fluid enters the nozzles at the stator inlets. The fluid passes between the rotor disks and causes the rotor to spin. Eventually, the fluid exits through the exhaust ports in the center of the turbine. Working Principle:- Adhesion and viscosity are the two properties of any fluid, these two properties work together in the Tesla turbine to transfer energy from the fluid to the rotor or vice versa. 1. As the fluid moves past each disk, adhesive forces cause the fluid molecules just above the metal surface to slow down and stick. . The molecules just above those at the surface slow down when they collide with the molecules sticking to the surface. [pic] 3. These molecules in turn slow down the flow just above them. 4. The farther one moves away from the surface, the fewer the collisions affected by the object surface. 5. At the same time, viscous forces cause the molecules of the fluid to resist separation. 6. This generates a pulling force that is transmitted to the disk, causing the disk to move in the direction of the fluid.