- (1) An ammonia vapor refrigeration cycle operates at an evaporator temperature of –16°C and a condensing temperature of 32°C. Determine the coefficient of performance (a) for an ideal saturation cycle, (b) for wet compression with saturated vapor leaving the compressor, and (c) if the vapor at suction to the compressor is superheated 6 degrees. Ans. (a) 4.50, (b) 4.70, (c) 4.28

- (1) An ammonia vapor refrigeration cycle operates at an evaporator temperature of –16°C and a condensing temperature of 32°C. Determine the coefficient of performance (a) for an ideal saturation cycle, (b) for wet compression with saturated vapor leaving the compressor, and (c) if the vapor at suction to the compressor is superheated 6 degrees. Ans. (a) 4.50, (b) 4.70, (c) 4.28

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

Chapter22: Condensers

Section: Chapter Questions

Problem 7RQ: When a standard-efficiency air-cooled condenser is used, the condensing refrigerant will normally be...

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