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A vapor compression cycle using Ammonia as refrigerant operates at an evaporating temperature of -5 deg. Centigrade and a condensing temperature of 35 deg. Centigrade. The liquid Ammonia was subcooled before entering the thermostatic expansion valve (TEV) to 30°C_ and the suction vapor was superheated to 20°C without useful cooling. Determine a) the Coefficient of Performance of the cycle. For 15 TOR determine b) the power required by the compressor c) the heat rejected in the condenser d) volume flow rate at the suction.

A vapor compression cycle using Ammonia as refrigerant operates at an evaporating temperature of -5 deg. Centigrade and a condensing temperature of 35 deg. Centigrade. The liquid Ammonia was subcooled before entering the thermostatic expansion valve (TEV) to 30°C_ and the suction vapor was superheated to 20°C without useful cooling. Determine a) the Coefficient of Performance of the cycle. For 15 TOR determine b) the power required by the compressor c) the heat rejected in the condenser d) volume flow rate at the suction.

Refrigeration and Air Conditioning Technology (MindTap Course List)
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
Chapter40: Typical Operating Conditions
Section: Chapter Questions
Problem 4RQ: A typical temperature relationship between a high-efficiency condenser and the ambient temperature...
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1) A vapor compression cycle using Ammonia as refrigerant operates at an evaporating temperature of -5 deg. Centigrade and a condensing temperature of 35 deg. Centigrade. The liquid Ammonia was subcooled before entering the thermostatic expansion valve (TEV) to 30°C and the suction vapor was superheated to 20°C without useful cooling. Determine a) the Coefficient of Performance of the cycle. For 15 TOR determine b) the power required by the compressor c) the heat rejected in the condenser d) volume flow rate at the suction.
Transcribed Image Text:1) A vapor compression cycle using Ammonia as refrigerant operates at an evaporating temperature of -5 deg. Centigrade and a condensing temperature of 35 deg. Centigrade. The liquid Ammonia was subcooled before entering the thermostatic expansion valve (TEV) to 30°C and the suction vapor was superheated to 20°C without useful cooling. Determine a) the Coefficient of Performance of the cycle. For 15 TOR determine b) the power required by the compressor c) the heat rejected in the condenser d) volume flow rate at the suction.
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