Q2: A simple R134a vapor compression system operates between 40°C condensing temperature and-10°C evaporating temperature. The system compressor has a piston displacement of 3 m'/min and volumetric efficiency of 75%. The temperature of vapor leaving the compressor is 60°C. The liquid refrigerant is subcooled by 10°C before entering to the expansion device. Calculate: a. Refrigerant mass flow rate. b. Refrigeration capacity. c. Indicated power. d. The COP.

Q2: A simple R134a vapor compression system operates between 40°C condensing temperature and-10°C evaporating temperature. The system compressor has a piston displacement of 3 m'/min and volumetric efficiency of 75%. The temperature of vapor leaving the compressor is 60°C. The liquid refrigerant is subcooled by 10°C before entering to the expansion device. Calculate: a. Refrigerant mass flow rate. b. Refrigeration capacity. c. Indicated power. d. 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

Chapter47: High-pressure, Low-pressure, And Absorption Chilled-water Systems

Section: Chapter Questions

Problem 13RQ: The subcooling temperature in a condenser can be measured by taking the difference between the A....

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