China circa 3000BC Casting 2.810 Prof. Timothy Gutowski Casting since about 4000 BC… Ancient Greece; bronze statue casting circa 450BC Iron works in early Europe‚ e.g. cast iron cannons from England circa 1543 Outline • Sand Casting‚ Investment Casting‚ Die Casting • Basics and countermeasures • Phase Change‚ Shrinkage • Heat Transfer • Pattern Design • Variations & Developments • Environmental Issues Casting Readings; 1. Kalpakjian‚ Chapters 10‚ 11‚ 12 2. Booothroyd‚ “Design for Die
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"ERIN BROCKOVICH" (ANDERSON v PACIFIC GAS & ELECTRIC) Author: Carole D. Bos‚ J.D. ONLINE AT: http://www.awesomestories.com/movies/erin_brockovich/erin_brockovich_ch1.htm PREFACE Mr. Masry’s office has done an incredible job. I don’t know where he got this stuff‚ ferreting out information for the past several months that will make your hair stand up on edge. Walter Lack January 4‚ 1994 Pacific Gas & Electric (PG&E) was in trouble. Serious trouble. Four decades after the world’s largest
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In 1950‚ the first commercial nuclear power plants were constructed. The public was promised a non-polluting and resourceful type of energy‚ but how safe was‚ and is‚ nuclear energy? Although there are less than 500 licensed nuclear power plants in the world‚ many nuclear accidents have already been endangering civilian lives. More serious accidents are not just likely‚ but inevitable (Fairchild 29). Nuclear energy may appear to be the ideal source of energy for the future: however‚ there
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Grading Sheet ~~~~~~~~~~~~~~ MIME 3470—Thermal Science Laboratory ~~~~~~~~~~~~~~ Laboratory №. 17 Refrigeration Cycle Analysis Students’ Names / Section № POINTS SCORE TOTAL PRESENTATION—Applicable to Both MS Word and Mathcad Sections GENERAL APPEARANCE 5 ORGANIZATION 5 ENGLISH / GRAMMAR 5 ORDERED DATA‚ CALCULATIONS & RESULTS TABLE OF PROPERTIES FOR THE 8 STATES 10 PLOT IDEAL CYCLE
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Internal Combustion Engines An internal-combustion engine is a heat engine that burns fuel and air inside a combustion chamber located within the engine proper. Simply stated‚ a heat engine is an engine that converts heat energy to mechanical energy. The internal- combustion engine should be distinguished from the external- combustion engine‚ for example‚ the steam engine and the Stirling engine‚ which burns fuel outside the prime mover‚ that is‚ the device that actually produces mechanical
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| Can We Save Planet Earth? | | | Lynnette Clay | 5/23/2010 | SCI/275 Carol Rogers Jones | As we all know there is a great effort being made worldwide to counter act the alleged impact of the human footprint on the world ’s climate‚ the earth’s land‚ oceans‚ and atmosphere‚ as well as the health of the inhabitants destroying it! I have a few important questions for my readers to contemplate. Is it possible to keep the air and ocean unpolluted with populations of 10 million
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MATERIAL AND ENERGY BALANCE We produce acetaldehyde by dehydrogenation of ethanol. Flow chart is as shown in the figure. Reaction: C2H5OH Catalyst: Æ CH3CHO + H2 Cu -Co-Cr2o3 Temperature: 280 – 3500 C. Process description: The raw material i.e.‚ ethanol is vaporized and the vapors‚ so generated‚ are heated in a heat exchanger to the reaction temperature by hot product stream. The product stream is cooled to –100 C and in doing it‚ all unreacted ethanol and acetaldehyde are condensed
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Molly Curtis A&P 1 Case Study1 Marian suffered from a heat stroke causing her body to experience hyperthermia. Marian body went through the process of homeostasis from experiencing hyperthermia. “Homeostasis is a state of body equilibrium or stable internal environment of the body.”(Marieb 8) Homeostasis protects the body by allowing it to adapt to the environment. Marian homeostasis tried to cool the body but failed. Though Marian was lucky her daughter found her in time. When a heat
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Causes of Climate Change Climate change is a long-term shift in weather conditions identified by changes in temperature‚ precipitation‚ winds‚ and other indicators. Climate change can involve both changes in average conditions and changes in variability‚ including‚ for example‚ extreme events. The earth’s climate is naturally variable on all time scales. However‚ its long-term state and average temperature are regulated by the balance between incoming and outgoing energy‚ which determines the Earth’s
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STATEMENT OF BACKGROUND AND GOALS “If you want something you would reach it”. It is an Iranian proverb that I have always believed in and placed it in my mind in all my endeavors. Now‚ I have decided to pursue my education in one of the best American universities‚ Georgia Institute of Technology. I am applying for admission to Ph.D. program of Mechanical Engineering since I want a career in the research and teaching of Thermo-Fluids and experimental‚ theoretical and numerical analysis of thermal-fluid
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