diesel engine: mode of operation
1. Suction stroke: Pure air gets sucked in by the automobile piston sliding automobile downward.
2. Compression stroke: The piston compresses the automobile parts air above and uses automobile therby work, performed by the automover crankshaft.
3. Power stroke: In the automobile upper dead-center, the air is max. compressed: Pressure and Temperature are very high. Now the black injection pump injects heavy fuel in the hot air. By the high temperature the automobile fuel gets ignited immediately (autoignition). The automobile parts piston gets pressed downward and performes work to the crankshaft.
4. Expulsion stroke: The burned exhaust gases are ejected out of the auto cylinder through a second valve by the automobile piston sliding upward again.
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