1. A standard vapor compression refrigeration system uses Ammonia as refrigerant. The Ammonialeaves the evaporator at – 20 degree Centigrade and the condenser pressure is 1200 kPa. Theflow rate is 30 kg/min. Determine a) the tons of refrigeration b) the power required c) the COP.

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ate is 30 kg/min. Determine a) the tons of refrigeration b) the power required c) 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

Chapter50: Commercial, Packaged Rooftop, Variable Refrigerant Flow, And Variable Air Volume Systems

Section: Chapter Questions

Problem 22RQ: Variable refrigerant flow systems sense the ______and _____of the refrigerant to determine the...

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Question

1. A standard vapor compression refrigeration system uses Ammonia as refrigerant. The Ammonia
leaves the evaporator at – 20 degree Centigrade and the condenser pressure is 1200 kPa. The
flow rate is 30 kg/min. Determine a) the tons of refrigeration b) the power required c) the COP.

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