Q.1/Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.20 MPa and 25°C at a rate of 0.07 kg/s, and it leaves at 1.2 MPa and 70°C. The refrigerant is cooled in the condenser to 448C and 1.15 MPa, and it is throttled to 0.21 MPa. Disregarding any heat transfer and pressure drops in the connecting lines between the components, show the cycle on a T-sdiagram with respect to saturation lines, and determine (a) the rate of heat removal from the refrigerated space and the power input to the compressor, (b) the isentropic efficiency of the compressor, and (c) the COP of the refrigerator.

Q.1/Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.20 MPa and 25°C at a rate of 0.07 kg/s, and it leaves at 1.2 MPa and 70°C. The refrigerant is cooled in the condenser to 448C and 1.15 MPa, and it is throttled to 0.21 MPa. Disregarding any heat transfer and pressure drops in the connecting lines between the components, show the cycle on a T-sdiagram with respect to saturation lines, and determine (a) the rate of heat removal from the refrigerated space and the power input to the compressor, (b) the isentropic efficiency of the compressor, and (c) the COP of the refrigerator.

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Description: Q.1/Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at0.20 MPa and 25°C at a rate of 0.07 kg/s, and it leaves at 1.2 MPa and 70°C. Therefrigerant is cooled in the condenser to 448C and 1.15 MPa, and it is throttled to 0

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Q.1/Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at
0.20 MPa and 25°C at a rate of 0.07 kg/s, and it leaves at 1.2 MPa and 70°C. The
refrigerant is cooled in the condenser to 448C and 1.15 MPa, and it is throttled to 0.21
MPa. Disregarding any heat transfer and pressure drops in the connecting lines
between the components, show the cycle on a T-sdiagram with respect to saturation
lines, and determine (a) the rate of heat removal from the refrigerated space and the
power input to the compressor, (b) the isentropic efficiency of the compressor, and
(c) the COP of the refrigerator.

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can u explaine fast please