An ideal vapor-compression refrigeration cycle with ammonia as the working fluid has an evaporator temperature of -40°C and a condenser pressure of 16 bar. Saturated vapor enters the compressor and saturated liquid exits the condenser. The mass flow rate of the refrigerant is 3 kg/min. Determine: (a) the coefficient of performance. (b) the refrigerating capacity, in tons.

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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An ideal vapor-compression refrigeration cycle with ammonia as the working fluid has an evaporator temperature of -40°C and a condenser pressure of 16 bar. Saturated vapor enters the compressor and saturated liquid exits the condenser. The mass flow rate of the refrigerant is 3 kg/min.

Determine:

(a) the coefficient of performance.

(b) the refrigerating capacity, in tons.

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