Refrigerant R-134a enters an compressor at 175 kPa and -10oC and leaves at 1 MPa, 60oC. The

Question:

Refrigerant R-134a enters an compressor at 175 kPa and -10oC and leaves at 1 MPa, 60oC. The mass flow rate is 0.02 kg/s and the power output to the compressor is 1.2 kW. Determine.
(a) The heat transfer rate from the compressor.
(b) Draw an energy diagram for the device. Assume steady-state operation.