Problem

A Brayton power cycle has air, with a mass flow rate of 50 kg/s, entering a compressor at...

A Brayton power cycle has air, with a mass flow rate of 50 kg/s, entering a compressor at 100 kPa and 25°C. The air exits the compressor at 1200 kPa and is to exit the combustor at 1200 K. The isentropic efficiency of the compressor is 0.75. Consider the air to have variable specific heats. Plot the net power produced by the cycle, the ratio of the compressor power to turbine power, and the thermal efficiency for the cycle for isentropic efficiencies of the turbine ranging between 0.50 and 1.0.

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