A food department is kept at 212°C by a refrigerator in an environment at 30°C. The total heat gain to the food department is estimated to be 3300 kJ/h and the heat rejection in the condenser is 4800 kJ/h. Determine the power input to the compressor, in kW and the COP of the refrigerator. 30°C 4800 kJ/h 3300 kJ/h -12°C
A food department is kept at 212°C by a refrigerator in an environment at 30°C. The total heat gain to the food department is estimated to be 3300 kJ/h and the heat rejection in the condenser is 4800 kJ/h. Determine the power input to the compressor, in kW and the COP of the refrigerator. 30°C 4800 kJ/h 3300 kJ/h -12°C
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter45: Domestic Refrigerators And Freezers
Section: Chapter Questions
Problem 12RQ: Refrigerators currently being manufactured in the United States are using______as their refrigerant.
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![2.
A food department is kept at 212°C by a refrigerator in an environment at 30°C. The total heat
gain to the food department is estimated to be 3300 kJ/h and the heat rejection in the condenser
is 4800 kJ/h. Determine the power input to the compressor, in kW and the COP of the
refrigerator.
30°C
4800 kJ/h
R
3300 kJ/h
-12°C
Win](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2082fd4e-e2cc-45e2-8753-2bb628f4bc6e%2F79fd459b-4556-4f28-8ac2-b35fc2ef305d%2Fxmmaymr_processed.png&w=3840&q=75)
Transcribed Image Text:2.
A food department is kept at 212°C by a refrigerator in an environment at 30°C. The total heat
gain to the food department is estimated to be 3300 kJ/h and the heat rejection in the condenser
is 4800 kJ/h. Determine the power input to the compressor, in kW and the COP of the
refrigerator.
30°C
4800 kJ/h
R
3300 kJ/h
-12°C
Win
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