According to vapor compression refrigeration cycle, Refrigerant-134a enters the adiabatic compressor of a refrigerator at 180 kPa and -10°C and leaves the compressor at 800 kPa and 50°C. The refrigerant leaves the condenser at 800 kPa and 28°C. Later it is throttled to 180 kPa evaporator pressure. The mass flow rate of refrigerant is 0.036 kg/s. Disregarding any heat transfer and pressure drops in the connecting lines between the components, determine the isentropic efficiency of the compressor determine the rate of heat removal from the refrigerated space

According to vapor compression refrigeration cycle, Refrigerant-134a enters the adiabatic compressor of a refrigerator at 180 kPa and -10°C and leaves the compressor at 800 kPa and 50°C. The refrigerant leaves the condenser at 800 kPa and 28°C. Later it is throttled to 180 kPa evaporator pressure. The mass flow rate of refrigerant is 0.036 kg/s. Disregarding any heat transfer and pressure drops in the connecting lines between the components, determine the isentropic efficiency of the compressor determine the rate of heat removal from the refrigerated space

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter28: Special Refrigeration Applications

Section: Chapter Questions

Problem 15RQ: Why is two-stage compression popular for extra-low-temperature refrigeration systems?

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