PROBLEM 1 A vapor-compression heat pump system uses ammonia as working fluid. Saturated vapor exits the evaporator at 20°C, and saturated liquid leaves the condenser at 1400 kPa. The isentropic compressor efficiency is 80%. Questions: Determine: (a) The heat transfer in the evaporator and in the condenser. (b) The compressor work. (c) The Coefficient of Performance.
PROBLEM 1 A vapor-compression heat pump system uses ammonia as working fluid. Saturated vapor exits the evaporator at 20°C, and saturated liquid leaves the condenser at 1400 kPa. The isentropic compressor efficiency is 80%. Questions: Determine: (a) The heat transfer in the evaporator and in the condenser. (b) The compressor work. (c) The Coefficient of Performance.
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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PROBLEM 1
A vapor-compression heat pump system uses ammonia as working fluid.
Saturated vapor exits the evaporator at 20°C, and saturated liquid leaves the condenser at
1400 kPa. The isentropic compressor efficiency is 80%.
Questions:
Determine:
(a) The heat transfer in the evaporator and in the condenser.
(b) The compressor work.
(c) The Coefficient of Performance.
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