汽车发动机除了四冲程循环是否还有其他循环?
Are there any other cycles besides the Otto cycle used in car engines?
转子活塞发动机用的是四冲程循环,但是它们和四冲程活塞发动机有很大不同。
Gas turbine engines use the Brayton cycle. Wankel rotary engines use the Otto cycle, but they do it in a very different way than four-stroke piston engines.
四冲程发动机的工作循环是以活塞在上止点、进气门打开为开始的。
The cycle of operation of the four-stoke engine begins with the piston at TDC and the intake valve open.
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