9-19 An air-standard cycle is executed in a closed system with 0.004 kg of air and consists of the following three processes: 1-2 Isentropic compression from 100 kPa and 27°C to 1 MPa 2-3 P constant heat addition in the amount of 2.76 kJ 3-1 P c1v + c2 heat rejection to initial state (c1 and c2 are constants) a) Show the cycle on P-v and T-s diagrams. b) Calculate the heat rejected. c) Determine the thermal efficiency. Assume constant specific heats at room temperature. | |
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