Refrigerant-134a enters the compressor of a refrigerator at 140kPa and - 10 degrees celsius at a rate of 0.3 m^3/min and leaves at 1 MPa. The isentropic efficiency of the compressor is 78%. The refrigerant enters the throttling valve at 0.95 MPa and 30 degrees celsius and leaves the evaporator as saturated vapour at -18.5 degrees celsius. DETERMINE the coefficient of performance..

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Refrigerant-134a enters the compressor of a refrigerator at 140kPa and - 10 degrees celsius at a rate of 0.3
m^3/min and leaves at 1 MPa. The isentropic efficiency of the compressor is 78%. The refrigerant enters the
throttling valve at 0.95 MPa and 30 degrees celsius and leaves the evaporator as saturated vapour at -18.5
degrees celsius. DETERMINE the coefficient of performance..
Transcribed Image Text:Refrigerant-134a enters the compressor of a refrigerator at 140kPa and - 10 degrees celsius at a rate of 0.3 m^3/min and leaves at 1 MPa. The isentropic efficiency of the compressor is 78%. The refrigerant enters the throttling valve at 0.95 MPa and 30 degrees celsius and leaves the evaporator as saturated vapour at -18.5 degrees celsius. DETERMINE the coefficient of performance..
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