Refrigerant-134a at a rate of 0.08 kg/s enters the compressor of a refrigerator as superheated vapor at 0.18 MPa and 0 ℃ and leaves at 0.9 MPa and 80 ℃. The refrigerant is cooled in the condenser to 31.3 ℃ and 0.8 MPa and it is throttled to 0.18 MPa. Disregarding any heat transfer and pressure drops in the connecting lines between the components,a) Show the cycle on a T-S diagramb) Determine the rate of heat removal from the refrigerated space and the power input to the compressorc) Determine the adiabatic efficiency of the compressord) Determine the coefficient of performance of the refrigerator. Refrigerant-134a at a rate of 0.08 kg/s enters the compressor of a refrigerator as superheatedvapor at 0.18 MPa and 0 °C and leaves at 0.9 MPa and 80 °C. The refrigerant is cooled in thecondenser to 31.3 °C and 0.8 MPa and it is throttled to 0.18 MPa. Disregarding any heat transferand pressure drops in the connecting lines between the components,a) Show the cycle on a T-S diagramb) Determine the rate of heat removal from the refrigerated space and the power input to thecompressorc) Determine the adiabatic efficiency of the compressord) Determine the coefficient of performance of the refrigerator.

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Answered: Refrigerant-134a at a rate of 0.08 kg/s…

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 at a rate of 0.08 kg/s enters the compressor of a refrigerator as superheated vapor at 0.18 MPa and 0 ℃ and leaves at 0.9 MPa and 80 ℃. The refrigerant is cooled in the condenser to 31.3 ℃ and 0.8 MPa and it is throttled to 0.18 MPa. Disregarding any heat transfer and pressure drops in the connecting lines between the components,

a) Show the cycle on a T-S diagram

b) Determine the rate of heat removal from the refrigerated space and the power input to the compressor

c) Determine the adiabatic efficiency of the compressor

d) Determine the coefficient of performance of the refrigerator.

Refrigerant-134a at a rate of 0.08 kg/s enters the compressor of a refrigerator as superheated
vapor at 0.18 MPa and 0 °C and leaves at 0.9 MPa and 80 °C. The refrigerant is cooled in the
condenser to 31.3 °C and 0.8 MPa and it is throttled to 0.18 MPa. Disregarding any heat transfer
and pressure drops in the connecting lines between the components,
a) Show the cycle on a T-S diagram
b) Determine the rate of heat removal from the refrigerated space and the power input to the
compressor
c) Determine the adiabatic efficiency of the compressor
d) Determine the coefficient of performance of the refrigerator.

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