Question

01)  Refrigerant – R134a enters an adiabatic compressor as saturated vapor at 120kPa at a rate of 0.3m³/min and exits at 1MPa pressure. If the isentropic efficiency of the compressor is 80 percent, determine

a)     The temperature of the refrigerant at the exit of the compressor

b)     The power input, in kW. Also show the process on a T- s diagram with respect to the satuaration lines.

Answer 1

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