A diesel engine (also known as a compression-ignition engine and sometimes capitalized as Diesel engine) is an internal combustion engine that uses the heat of compression to initiate ignition to burn the fuel‚ which is injected into the combustion chamber. This is in contrast to spark-ignition engines such as a petrol engine (gasoline engine) or gas engine (using a gaseous fuel as opposed to gasoline)‚ which uses a spark plug to ignite an air-fuel mixture. The engine was developed by Rudolf Diesel
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E-mail: rafiqul.islam@dal.ca Received: 27 March 2008 / Accepted: 9 April 2008 / Published: 10 April 2008 Abstract: As crude oil price reach a new high‚ the need for developing alternate fuels has become acute. Alternate fuels should be economically attractive in order to compete with currently used fossil fuels. In this work‚ biodiesel (ethyl ester) was prepared from waste cooking oil collected from a local restaurant in Halifax‚ Nova Scotia‚ Canada. Ethyl alcohol with sodium hydroxide as a catalyst
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Article Diesel Fuel Injection One big difference between a diesel engine and a gas engine is in the injection process. Most car engines use port injection or a carburetor. A port injection system injects fuel just prior to the intake stroke (outside the cylinder). A carburetor mixes air and fuel long before the air enters the cylinder. In a car engine‚ therefore‚ all of the fuel is loaded into the cylinder during the intake stroke and then compressed. The compression of the fuel/air mixture
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Fuel injection in diesel engines [edit] Mechanical and electronic injection Older engines make use of a mechanical fuel pump and valve assembly which is driven by the engine crankshaft‚ usually via the timing belt or chain. These engines use simple injectors which are basically very precise spring-loaded valves which will open and close at a specific fuel pressure. The pump assembly consists of a pump which pressurizes the fuel‚ and a disc-shaped valve which rotates at half crankshaft speed
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Alternative Fuels for Diesel 11/30/06 8:00 AM To persuade listeners to support alternative fuels The strain on the diesel supply in America is too high and a stable source must be found to alleviate the strain. Bio-diesel is a suitable additive in diesel that would help reduce this strain. Bio-diesel is also much safer than conventional petrol-diesel. Topic: Alternative Fuels for Diesel Speaker ’s Goal: To persuade listeners to support alternative fuels General Purpose:
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Diesel Fuel is the Future Craig W. Brown COMM/215 March 3‚ 2013 RODNEY SPRAUVE Diesel Fuel is the Future Even though the cost of diesel is higher per gallon‚ diesel Fuel is more efficient because diesel fuel burns hotter creating more energy and it requires less to refine. Diesel fuel is more efficient than the internal combustion engine due to the higher temperature of combustion and greater expansion ratio. The typical gasoline engine is 30% efficient while the diesel engine normally
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submerged. Biodiesel is a renewable fuel produced from vegetable oils. Most biodiesel is made either from crops‚ recycled cooking oil‚ or animal fats. Among them‚ recycled cooking oil is the most effective resource to make biodiesel since it does not compete with food resources. Biodiesel can be used alone or blended with petro-diesel‚ which can be used in standard diesel engines or heating oil furnaces without modification. Replacing or blending petro-diesel with biodiesel reduces emissions of
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Christian Libby 2nd hour Auto Tech 1 Tech Report on Diesel Exhaust Fluid Diesel trucks could be run with a lean air-to-fuel ratio‚ to ensure the full combustion of soot and to prevent the exhaust of unburnt fuel. The excess of oxygen necessarily leads to nitrogen oxides (NOx)‚ which are harmful gases‚ from the nitrogen in the air. Selective catalytic reduction (diesel exhaust fluid) is used to reduce the amount of NOx released into the atmosphere. Diesel exhaust fluid (from a separate DEF tank) is injected
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Let’s start with the basics. Aside from additives such as ethanol‚ which is made from corn‚ the gasoline and diesel fuel commonly used today derive from the same source--crude oil. Although they share the same parentage (just like motor oil‚ some plastics‚ and Velveeta)‚ they have very different properties. Gasoline is often thought of as being a single chemical‚ but it’s actually a complex mixture of hydrocarbons that generally have 4 to 12 carbon atoms in their molecules. In the case of gasoline
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d th wi pe rm iss ion . T H E H O LY P L AC E © 9 99 s Pa Diesel Fuel Basics What Is Diesel Fuel‚ And Where Does It Comes From? by Alex Marcus key‚ and often overlooked‚ component in the world of reliable diesel engines is the stuff that actually makes the engines run. Along with a good supply of cool air‚ diesel fuel is an important component of the total diesel propulsion equation. Back in 1876‚ in Pico Canyon‚ California‚ primitive stills were used to boil
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