# A Diesel cycle has a compression ratio of 22 and begins its compression at 80 kPa and 15 °C. The

###### Question: A Diesel cycle has a compression ratio of 22 and begins its compression at 80 kPa and 15 °C. The maximum cycle temperature is 1200°C. Utilize air-standard assumptions. The properties of air at room temperature are R-0.287 kPa-m3/kg-K Cp 1.005 kJ/kg-K, cv0.718 kJ/kg-K, and k 1.4. Determine the thermal efficiency of this cycle using variable specific heats at room temperature. Use data from the tables The thermal efficiency of this cycle is

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