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
2-3P =constantheat addition in the amount of 2.76 kJ
3-1P =C1V +C2 heat rejection to initial state (c1, andc2 are constants)
(a) Show the cycle onP-VandT-sdiagrams.
(b) Calculate the heat rejected.
(c) Determine the thermal efficiency. Assume constant specific heats at room temperature.
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