Considering Constant-Composition Processes
A gas mixture having a molar analysis of 60% O2 and 40% N2 enters an insulated compressor operating at steady state at 1 bar, 20°C with a mass flow rate of 0.5 kg/s and is compressed to 5.4 bar. Kinetic and potential energy effects are negligible. For an isentropic compressor efficiency of 78%, determine
(a) the temperature at the exit, in °C.
(b) the power required, in kW.
(c) the rate of entropy production, in kW/K.
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