"Internal Combustion Engine" Essays and Research Papers

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Wankel Engine

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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Four Stroke Engine Essay

The earliest internal combustion engine used in a system that rose to fame was the four stroke cycle, where an internal combustion engine is a heat engine in which the burning of fuel occurs within the confined space of an engine’s combustion chamber. Expanding hot gases act directly onto pistons, rotors and sometimes the whole engine to cause movement. The internal combustion engine(14) The four-stroke engine was one of the earliest improvements made to internal combustion engines in the late 1800s...

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Diesel Engine

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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Rotary Engine

Rotary Engine – Huge Power in a Small Box According to Philip’s Encyclopedia Wankel rotary engine or just Wankel engine is “Internal combustion engine with rotors instead of pistons.” That not so popular engine is actually about two times lighter than a four cylinder piston engine, the one that we all have in our cars, for the same power output. It also has four times less moving parts. Much simpler, much lighter, much smaller it has numerous advantages over a conventional piston engine. ...

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Four Stroke Engine

Engine working Four stroke configuration Operation [pic] Four-stroke cycle (or Otto cycle) 1. Intake 2. Compression 3. Power 4. Exhaust As their name implies, operation of four stroke internal combustion engines have four basic steps that repeat with every two revolutions of the engine: 1. Intake o Combustible mixtures are emplaced in the combustion chamber 2. Compression o The mixtures are placed under pressure 3. Power o The mixture is burnt...

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Diesel Engines

Diesel Engines Diesel engines are everywhere; they are used in all sorts of vehicle platforms. From Volkswagen Jetta’s, to big eighteen wheel tractor trailer trucks. They provide more torque then a regular gasoline engine because of the long stroke of the piston. Most diesel engines make peak torque at very low rpm. Diesel engines do not have spark plugs. They develop combustion by heating up the air going into the cylinder, while the air is heated the fuel injector sprays into the bowl of...

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Green Engines

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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Pollution from Diesel Engines and Control

POLLUTION FROM DIESEL ENGINES AND ITS CONTROL Diesel engines and gasoline engines are the most widely used primary sources of power in automobiles and the sheer number of them makes the issue of emissions from these engines an important one. Table 1 gives a comparison of the amounts of different pollutants in the exhaust of diesel and petrol engines. FORMATION OF NOX AND CONTROL METHODS: The main source of NOx in diesel engine emissions is the oxidation of the nitrogen in the air at the high temperatures...

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Common Rail Diesel Engine

the Common Rail Diesel Engine To be honest, I don’t really know too much about the history or the functions and operations of a diesel engine, but I am excited about learning more about it through this assignment and when we go to study it in detail during class. History The evolution of Diesel injections actually began from the invention of the gasoline engine. The gasoline engine wasn’t very efficient, even worse than the steam engine. Only around 10% of fuel...

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Diesel and Petrol Engines

aren't the same. Gasoline is typically burned in spark-ignition internal combustion engines, in which a source of energy (a spark) is required to start the ignition process. Simply put, these engines mix gasoline vapor and air, compress the result, apply a spark to initiate combustion, and then force the byproducts of combustion out as exhaust. Gasoline is well suited to this process, although sometimes either it or engine operating conditions can cause "knock," an unwanted and destructive condition...

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