Answer to Question #329726 in Mechanical Engineering for xyz

Question

An air refrigerator works between pressure limits of 1 bar and 4 bar. The temperature of the air entering the compressor is 15 °C and entering the expansion cylinder is 30 °C. The expansion follows the law PV^1.25= constant. The compression follows the law PV^1.35 = constant. Take for air, Cp = 1 kJ/kg k and Cv = 0.7 kJ/kg k. Find the following

a. COP of the refrigeration cycle

b. If the air circulation through the system is 25 kg/min, find the refrigeration capacity of the system

Answer 1

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