A refrigerator uses refrigerant R-134a as the working fluid and operates on an ideal vapor- compression refrigeration cycle between 0.2 and 0.6 MPa .The mass flow rate of the refrigerant is 0.8 kg/ s .Show the cycle on a T-s diagram and Determine : a- the rate of heat removal from the refrigerated space and the power input to the compressor. b- The rate of heat rejection to the environment. c- The coefficient of performance.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A refrigerator uses refrigerant R-134a as the working fluid and operates on an ideal vapor-
compression refrigeration cycle between 0.2 and 0.6 MPa .The mass flow rate of the
refrigerant is 0.8 kg/ s .Show the cycle on a T-s diagram and Determine :
a- the rate of heat removal from the refrigerated space and the power input to the
compressor.
b- The rate of heat rejection to the environment.
c- The coefficient of performance.
Transcribed Image Text:A refrigerator uses refrigerant R-134a as the working fluid and operates on an ideal vapor- compression refrigeration cycle between 0.2 and 0.6 MPa .The mass flow rate of the refrigerant is 0.8 kg/ s .Show the cycle on a T-s diagram and Determine : a- the rate of heat removal from the refrigerated space and the power input to the compressor. b- The rate of heat rejection to the environment. c- The coefficient of performance.
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