Refrigerant-134a enters the compressor of a refrigerator as superheated vapour at 0.20 MPa and 25°C at a rate of 0.07 kg/s, and it leaves at 1.2 MPa and 100°C. The refrigerant is cooled in the condenser to 44°C and 1.2 MPa, and it is throttled to 0.20 MPa. Disregarding any heat transfer and pressure drops in the connecting lines between the components, 2.1 Calculate the rate of heat removal from the refrigerated space and the power input to the compressor, 2.2 Calculate the isentropic efficiency of the compressor, and 2.3 Calculate the Coefficient of Performance of the refrigerator
Refrigerant-134a enters the compressor of a refrigerator as superheated vapour at 0.20 MPa and 25°C at a rate of 0.07 kg/s, and it leaves at 1.2 MPa and 100°C. The refrigerant is cooled in the condenser to 44°C and 1.2 MPa, and it is throttled to 0.20 MPa. Disregarding any heat transfer and pressure drops in the connecting lines between the components, 2.1 Calculate the rate of heat removal from the refrigerated space and the power input to the compressor, 2.2 Calculate the isentropic efficiency of the compressor, and 2.3 Calculate the Coefficient of Performance of the refrigerator
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Refrigerant-134a enters the compressor of a refrigerator as superheated vapour at 0.20 MPa
and 25°C at a rate of 0.07 kg/s, and it leaves at 1.2 MPa and 100°C. The refrigerant is cooled
in the condenser to 44°C and 1.2 MPa, and it is throttled to 0.20 MPa. Disregarding any heat
transfer and pressure drops in the connecting lines between the components,
2.1 Calculate the rate of heat removal from the refrigerated space and the power input to
the compressor,
2.2 Calculate the isentropic efficiency of the compressor, and
2.3 Calculate the Coefficient of Performance of the refrigerator
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