A vapor-compression refrigerator using R-134a is to provide chilled water at 40 F and 14.7 psia. Originally
Question:
A vapor-compression refrigerator using R-134a is to provide chilled water at 40 F and 14.7 psia. Originally the water is at 70 F and 14.7 psia. The pressure in the evaporator is 40 psia and that in the condenser is 100 psia. The R-134a enters the compressor at 40 F and leaves at 120 F. The power supplied to the compressor is 1 hp. The R-134a leaves the condenser as saturated liquid. Determine the coefficient of performance for the refrigerator and the mass flow rate (lbm/hr) of chilled water that can be produced.
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Step by Step Answer:
To solve this problem we will use the following equations The ideal coefficient of performance for a refrigeration cycle is given by COPideal T1 T2 T1 where T1 is the temperature of the cold reservoir ...View the full answer
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Related Book For 
Thermodynamics Concepts And Applications
ISBN: 9781107179714
2nd Edition
Authors: Stephen R. Turns, Laura L. Pauley
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