A gas-turbine power generator operates on an ideal air-standard Brayton cycle 1 → 2 → 3 → 4 shown in Fig. 1. The gas temperatures at the compressor inlet, compressor exit, and turbine inlet are T1 = 300 K, T2 = 600 K, and T3 = 1200 K, respectively. Solve Part C below using the variable specific heat assumption. Part C - Determine the heat input qin in the process 2 → 3, the work wC used by the compressor, and the work wT produced by the turbine per kg of air.

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