The Carnot Refrigeration Cycle Wc= 267.97-235.77=-32.3 kJ/kg Qin= 235.77-98.85=136.92 Qout=267.97-105.29=-162.68 Wt=105.29-98.85=6.44 COP_HP=162/(32.3-6.44)=6.26 COP_Ref=136.92/(32.3-6.44)=5.29 COP_HPT =TH/(TH-TL)=312.39/49.48=6.314 COP_Ref=TL/(TH-TL)=262.91/49.48=5.31 COP calculated based on temperature ratios and those calculated based On heat transfer and work done are identical within property tables accuracies.
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