A vapor-compression refrigeration cycle operates at steady state with Refrigerant 134a as the working fluid. Saturated vapor enters the compressor at 2 bar, and saturated liquid exits the condenser at 8 bar. The isentropic compressor efficiency is 80 %. The mass flow rate of refrigerant is 7 kg/min. Sketch the process on a T-s diagram and determine; the compressor power, in kW the refrigeration capacity, in tons the coefficient of performance.
A vapor-compression refrigeration cycle operates at steady state with Refrigerant 134a as the working fluid. Saturated vapor enters the compressor at 2 bar, and saturated liquid exits the condenser at 8 bar. The isentropic compressor efficiency is 80 %. The mass flow rate of refrigerant is 7 kg/min. Sketch the process on a T-s diagram and determine; the compressor power, in kW the refrigeration capacity, in tons 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
Chapter45: Domestic Refrigerators And Freezers
Section: Chapter Questions
Problem 2RQ: The operating condition for the single compressor in a household refrigerator is the lowest box...
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A vapor-compression refrigeration cycle operates at steady state with Refrigerant 134a as the working fluid. Saturated vapor enters the compressor at 2 bar, and saturated liquid exits the condenser at 8 bar. The isentropic compressor efficiency is 80 %. The mass flow rate of refrigerant is 7 kg/min. Sketch the process on a T-s diagram and determine;
the compressor power, in kW
the refrigeration capacity, in tons
the coefficient of performance.
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