in Automotive Engine Blocks by Hieu Nguyen School of Engineering Grand Valley State University Term Paper EGR250 – Materials Science and Engineering Section B Instructor: Dr. P. N. Anyalebechi April 8‚ 2005 Manufacturing Processes and Engineering Materials Used in Automotive Engine Blocks Abstract Until recently‚ cast iron and aluminum alloys have been the preferential materials used to manufacture most diesel and conventional gasoline-powered engine blocks. However
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used and extracted‚ we could run out of oil in 50 years. We need to conserve what fuels we have left and stop using them in our cars. Another big problem with burning fossil fuels‚ especially gasoline‚ is the damage it causes to the environment. Combustion of fuels in cars has been identified as the largest contributor to air pollution in the world.
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Michael Marrell Informative Speech Outline Topic: Changing engine oil Specific Purpose: To inform my audience about the three steps to changing their engine oil. Central Idea: The three steps in changing engine oil are gathering the necessary supplies‚ draining and filling the oil‚ and safely disposing of the oil. Introduction I. Have you ever been stranded on the side of the road? It’s never a good thing. Keeping up with your vehicle maintenance is a very important element. According to
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INTERNAL COMBUSTION ENGINES INTERNAL COMBUSTION ENGINES Mihir Sen University of Notre Dame November 11‚ 2009 1/ 55 INTERNAL COMBUSTION ENGINES Outline 1 Outline 2 Basics 3 Classification 4 Terminology 5 Components 6 Operation 7 Thermodynamics 8 Parameters 9 Output 2/ 55 INTERNAL COMBUSTION ENGINES Basics Historical Lenoir‚ 1860: first auto Otto and Langen‚ 1867: efficiency about 11% Diesel‚ by 1892: compression ignition engine 3/ 55 INTERNAL COMBUSTION ENGINES Basics
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Diesel Engine Heat engines are sometimes referred to as being motors. Actually‚ a motor converts one form of energy into useful work without the intentional production of heat‚ such as an electric motor. A device which burns fuel creating heat to perform work is a heat engine. Heat engines can be classified as external combustion‚ such as steam boiler‚ or internal combustion (IC). They can further be divided into the spark ignited (SI) engine or the compression ignited engine (CI). The compression
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224 C H A P T E R 6 RECIPROCATING INTERNAL COMBUSTION ENGINES 6.1 Introduction Perhaps the best-known engine in the world is the reciprocating internal combustion (IC) engine. Virtually every person who has driven an automobile or pushed a power lawnmower has used one. By far the most widely used IC engine is the spark-ignition gasoline engine‚ which takes us to school and work and on pleasure jaunts. Although others had made significant contributions‚ Niklaus Otto is generally credited
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The Diesel Engine Diesel engines are very similar to the gasoline engine you may find in a car. They both are internal combustion engines‚ have a four stroke cycle‚ and convert chemical energy from fuel into mechanical energy. However‚ the manner in which the combustion stroke is attained sets these two engines apart‚ and although a seemingly meaningless change‚ a large change in efficiency results. (Diesel Engines vs. Gasoline Engines) The diesel engine was invented by Rudolf Diesel in 1892
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WANKEL ENGINE The Wankel engine‚ invented by German engineer Felix Wankel‚ is a type of internal combustion engine which uses a rotary design to convert pressure into a rotating motion instead of using reciprocating pistons. Its four-stroke cycle takes place in a space between the inside of an oval-like epitrochoid-shaped housing and a rotor that is similar in shape to a Reuleaux triangle but with sides that are somewhat flatter. This design delivers smooth high-rpm power from a compact size. Since
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American Journal of Environmental Sciences 5 (3): 371-381‚ 2009 ISSN 1553-345X © 2009 Science Publications Green Engines Development Using Compressed Natural Gas as an Alternative Fuel: A Review Semin‚ 2R. A. Bakar and 2A.R. Ismail 1 Department of Marine Engineering‚ Institute of Technology Sepuluh Nopember Surabaya‚ Campus ITS‚ Sukolilo‚ Surabaya 60111‚ Indonesia 2 Automotive Excellent Center‚ Faculty of Mechanical Engineering‚ University Malaysia Pahang‚ Locked Bag 12‚ 25000 Kuantan‚ Pahang
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the use of lean mixtures in an internal combustion engine. The air-fuel ratios can be as high as 65:1‚ so the mixture has considerably less fuel in comparison to the stoichiometric combustion ratio (14.7:1 for petrol for example). Contents[hide] * 1 Principle * 2 Chrysler Lean Burn computer * 3 Heavy-duty gas engines * 4 Honda lean burn systems * 4.1 Applications * 5 Toyota lean burn engines * 5.1 Applications * 6 Nissan lean burn engines * 6.1 Applications * 7 Mitsubishi
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