A steady-flow compressor compresses air from 101 kPa and 30°C to 800 kPa in an adiabatic process. The first-law efficiency for the process is 87 per cent. Calculate the irreversibility for this process and the second-law efficiency. The atmosphere is at 20°C.

Question

A steady-flow compressor compresses air from 101 kPa and 30°C to 800 kPa in an adiabatic process. The first-law efficiency for the process is 87 per cent. Calculate the irreversibility for this process and the second-law efficiency. The atmosphere is at 20°C.

Answer

A steady-flow compressor compresses air from 101 kPa and 30°C to 800 kPa in an adiabatic process. The first-law efficiency for the process is 87 per cent. Calculate the irreversibility for this process and the second-law efficiency. The atmosphere is at 20°C.

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