(Solved):   11-12 An ideal vapor-compression refrigeration cycle that uses refrigerant-134a as its wor ...

 

11-12 An ideal vapor-compression refrigeration cycle that uses refrigerant-134a as its working fluid maintains a con- denser at 800 kPa and the evaporator at -12°C. Determine this system's COP and the amount of power required to ser- vice a 150 kW cooling load. Answers: 4.87, 30.8 kW 3 4 Warm environment QH TAMA Condenser Expansion valve Evaporator JM QL Cold refrigerated space 2 Compressor 1