1 answer

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

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

Answers

4 3 2

V. 2- R- 80000 pa K-1 та =(22 2. 288 Te= 991.6s k=> 1.033 61870 33.6g Pa Ad:abate ) Pro c ,8 (3-4 => 61 870 33.6 g X V3-287 × 1493 K- 1 V. 3 473 1.033 1.005(1479-991,65)-0.71ce cienc 333. 6S 1.005 (4433-93145)

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