how a diesel engine works?
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Diesel engines work by compressing only the air. This increases the air temperature inside the cylinder to such a high degree that atomised diesel fuel injected into the combustion chamber ignites spontaneously. ... They were originally used as a more efficient replacement for stationary steam engines.
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The Diesel Oxidization Catalyst works almost identical to gasoline engines. They use metals as a catalyst to reduce carbon monoxide to carbon and water, as well as break down volatile chemicals such as hydrocarbons and other byproducts to less harmful chemicals.
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Steam Engines burn their fuel outside of the piston (in a reactor or chamber called a fire box), and transmit the energy by way of steam to the work device, either a turbine or steam engine. Diesel (and Gasoline) Engines burn their liquid fuel inside the piston bore.
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External engines have a working fluid that is heated by the fuel. Internal combustion engines rely on the explosive power of the fuel within the engine to produce work. In internal combustion engines, the explosion forcefully pushes pistons or expels hot high-pressure gas out of the engine at great speeds.
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Two-stroke Cycle Marine Diesel Engine. The two-stroke cycle is completed in two strokes of the piston or one revolution of the crankshaft. In order to operate this cycle where each event is accomplished in a very short time, the engine requires a number of special arrangements.
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Fuel pumps on outboard motors work a little bit differently than they do on automobile engines. The outboard fuel pump has a sensitive diaphragm that receives a suction signal from a piston cylinder so the pump can deliver fuel.
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The best one to use on a diesel engine is fully synthetic oil. Note, synthetics are expensive compared to conventional oils. This is due to the research involved and the process of production. However the high cost is worth it because it comes with additives that make it more effective.
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1. Reliability. The 7.3L International Power Stroke engine is considered by many to be one of the best diesel engines ever to be equipped in a modern heavy-duty pickup truck/van. Although there are a number of great things about this big diesel engine, it has gained such a following by providing bulletproof reliability ...
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A glow plug is a heating element that heats incoming fuel and air to encourage efficient fuel combustion in a diesel engine. The fuel combustion starts your engine so that you can drive.
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Petrol exhausts are hotter than diesels. Petrol engines emit more carbon monoxide than diesels. Diesels emit more oxides of nitrogen than petrol engines. Adblue, formaldehyde uses the dissolved ammonia to convert nitrogen oxides into nitrogen and water.
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All diesel engines have fuel injected into the combustion chamber. Earlier systems, relying on simpler injectors, often injected into a sub-chamber shaped to swirl the compressed air and improve combustion; this was known as indirect injection.
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The two-stroke diesel cycle goes like this: When the piston is at the top of its travel, the cylinder contains a charge of highly compressed air. Diesel fuel is sprayed into the cylinder by the injector and immediately ignites because of the heat and pressure inside the cylinder. ... This is the compression stroke.
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A diesel mechanic is called a diesel fitter and whilst is usually trained in other repairs primarily fixes diesel engines: generators pumps ships etc. Obviously trucks and other vehicles are in a fitters remit. A heavy plant mechanic is also called a fitter.
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The main difference between diesel and petrol engines is that petrol engines use spark plugs to ignite the air-fuel mixture, while diesel engines rely solely on heavily compressed air. ... In other words, more energy can be extracted out of the air-fuel mixture.
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Yes, when a Diesel Locomotive Starts, it consumes almost 3-4 times more fuel than its average fuel consumption. That is why Railways prefer to keep the engine running even if the halt at a station is for 30 minutes.
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Diesel locomotives or trains run using diesel fuel. ... Modern diesel trains use electric motors known as 'traction motors' to supply power to the wheels. The diesel power plant just supplies the power to the traction motors, and does not turn the wheels.
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Diesel–electric transmission is used on railways by diesel electric locomotives and diesel electric multiple units, as electric motors are able to supply full torque at 0 RPM. Diesel–electric systems are also used in marine transport, including submarines, and on some land vehicles.