Consider a system that uses both an insulated compressor and an insulated turbine, with air as the working fluid. The air enters the compressor at 100 kPa and 10°C, and is compressed to 1000 kPa. The air is then further heated, entering the turbine at 1000 kPa and 1000 K. The air expands through the turbine to 100 kPa. Consider the net power from the system to be equal to the sum of the compressor power and the turbine power. The mass flow rate of the air through the system is 10 kg/s. Determine the net power from the system, the compressor entropy generation rate, and the turbine entropy generation rate if (a) the turbine and the compressor are both isentropic, and (b) the isentropic efficiencies of the turbine and the compressor are both 0.80.
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