4 stroke combustion7/28/2023 ![]() ![]() Compression – With the closing of Inlet valve the area above the piston gets closed. ![]() Suction Stroke – With pistons moving downwards and the opening of the inlet valve creates the suction of clean air into the cylinders. ![]() The Four-Stroke diesel engine works on the following cycle:ġ. Thus, the ‘Diesel Cycle’ does not use an external mechanism such as a spark-plug to ignite the air-fuel mixture. This, in turn, ignites the diesel injected into the combustion chamber. The temperature of the air inside the combustion chamber rises to above 400°c to 800°c. This is mainly because it burns the diesel with hot and compressed air. The ‘Compression-Ignition engine’ is also another name for the Diesel engine. In the simple diesel engines, an injector injects diesel into the combustion chamber above the piston directly. However, the ‘Diesel Cycle’ considerably defers by the way the fuel system supplies the diesel the engine and ignites it.Ī conventional internal combustion diesel engine works on ‘Diesel Cycle’. The four strokes of the diesel cycle are similar to that of a petrol engine. It was named after German engineer Rudolph Diesel, who invented and developed first Four-Stroke diesel engine. The ‘Diesel Cycle’ uses higher Compression-Ratio. Diesel Engine Principle and Working Cycle Explained:īasically, there are two types of diesel engine types – the Four Stroke and Two Stroke.
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