diesel engine the only difference between diesel engine and a four-stroke gasoline engine is: no...
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![Page 1: Diesel Engine The only difference between diesel engine and a four-stroke gasoline engine is: No sparkplug on Diesel engine. Has a higher compression ratio](https://reader036.vdocuments.mx/reader036/viewer/2022072008/56649d845503460f94a6b97c/html5/thumbnails/1.jpg)
Diesel Engine
The only difference between diesel engine and a four-strokegasoline engine is:•No sparkplug on Diesel engine.•Has a higher compression ratio. (14:1 to 25:1)•Better fuel mileage.
![Page 2: Diesel Engine The only difference between diesel engine and a four-stroke gasoline engine is: No sparkplug on Diesel engine. Has a higher compression ratio](https://reader036.vdocuments.mx/reader036/viewer/2022072008/56649d845503460f94a6b97c/html5/thumbnails/2.jpg)
Diesel Engine
Intake Stroke:
•Piston moves from TDC to BDC creating vacuum in the cylinder
•Intake valve opens allowing only air to enter the cylinder and exhaust valve remains closed
![Page 3: Diesel Engine The only difference between diesel engine and a four-stroke gasoline engine is: No sparkplug on Diesel engine. Has a higher compression ratio](https://reader036.vdocuments.mx/reader036/viewer/2022072008/56649d845503460f94a6b97c/html5/thumbnails/3.jpg)
Diesel EngineCompression Stroke
•Both valves stay closed
•Piston moves from BDC to TDC, compressing air to 22:1
•Compressing the air to this extent increases the temperature inside the cylinder to above 1000 degree F.
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Diesel EnginePower Stroke
•Both valves stay closed
•When the piston is at the end of compression stroke(TDC) the injector sprays a mist of diesel fuel into the cylinder.
•When hot air mixes with diesel fuel an explosion takes place in the cylinder.
•Expanding gases push the piston from TDC to BDC
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Diesel EngineExhaust Stroke
•Piston moves from BDC to TDC
•Exhaust valve opens and the exhaust gases escape
•Intake valve remains closed
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Diesel EngineFour Strokes of Diesel Engine