The diesel cycle efficiency is nearest:

The pressure and temperature at the inlet to an ideal diesel cycle, with P-v diagram shown, are 100 kPa and 10ºC. It has a compression ratio of 18 and a cut-off ratio of 2. The maximum temperature in the cycle is 1400ºC. Assume constant

specific heats from Table below for all calculations.



A) 49%

B) 54%

C) 58%

D) 63%


D) 63%

The diesel cycle efficiency depends on the compression and cut-off ratios:

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