A refrigerator operates on an ideal vapour-compression refrigeration cycle and uses refrigerant R−134?? as the working fluid. The condenser operates at 1.6MPa and the evaporator at −6℃. If an adiabatic, reversible expansion device were available and used to expand the liquid leaving the condenser, how much would the COP improve by using this device instead of the throttle device?
A refrigerator operates on an ideal vapour-compression refrigeration cycle and uses refrigerant R−134?? as the working fluid. The condenser operates at 1.6MPa and the evaporator at −6℃. If an adiabatic, reversible expansion device were available and used to expand the liquid leaving the condenser, how much would the COP improve by using this device instead of the throttle device?
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 refrigerator operates on an ideal vapour-compression refrigeration cycle and uses refrigerant R−134?? as the working fluid. The condenser operates at 1.6MPa and the evaporator at −6℃. If an adiabatic, reversible expansion device were available and used to expand the liquid leaving the condenser, how much would the COP improve by using this device instead of the throttle device?
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