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Why thermal efficiency of diesel engine is higher than a petrol engine?

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Question ajoutée par venkat ram
Date de publication: 2016/02/14
niyas babu
par niyas babu , operations and maintenance Engineer(Electrical /PLC/IT) , crisplant singapore pte ltd

Engines using the Diesel cycle are usually more efficient, although the Diesel cycle itself is less efficient at equal compression ratios. Since diesel engines use much higher compression ratios (the heat of compression is used to ignite the slow-burning diesel fuel), that higher ratio more to air pumping losses within the engine.

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