A vapour compression refrigeration cycle using R22 is designed for a load of 80 kW. The satur uction and discharge temperatures are 3°C and 40°C respectively. Calculate: a. The mass flow rate of refrigerant b. The COP

A vapour compression refrigeration cycle using R22 is designed for a load of 80 kW. The satur uction and discharge temperatures are 3°C and 40°C respectively. Calculate: a. The mass flow rate of refrigerant b. The COP

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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Question

A vapour compression refrigeration cycle using R22 is designed for a load of 80 kW. The saturated
suction and discharge temperatures are 3°C and 40°C respectively. Calculate:
a. The mass flow rate of refrigerant
b. The COP
c. The isentropic compressor work

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