P3.4 The condensing and evaporating temperatures of a standard vapor compression cycle using R134a are 5°C and 35°C respectively. The heat absorption rate is 12 kW. Calculate (i) the refrigerant flow rate, (ii) the work input to the compressor, and (iii) the COP of the cycle.
P3.4 The condensing and evaporating temperatures of a standard vapor compression cycle using R134a are 5°C and 35°C respectively. The heat absorption rate is 12 kW. Calculate (i) the refrigerant flow rate, (ii) the work input to the compressor, and (iii) the COP of the cycle.
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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![P3.4 The condensing and evaporating temperatures of a standard
vapor compression cycle using R134a are 5°C and 35°C respectively.
The heat absorption rate is 12 kW. Calculate (i) the refrigerant flow rate,
(ii) the work input to the compressor, and (iii) the COP of the cycle.
[Answers: (i) 0.07875 kgs¯¹, (ii) 1.52 kW, (iii) 7.89]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd7b9b716-1b90-48a7-9ec9-5173a2e757ce%2F1a6f90c2-8269-4fdd-aba9-f98354e0de55%2F9ir6mnm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:P3.4 The condensing and evaporating temperatures of a standard
vapor compression cycle using R134a are 5°C and 35°C respectively.
The heat absorption rate is 12 kW. Calculate (i) the refrigerant flow rate,
(ii) the work input to the compressor, and (iii) the COP of the cycle.
[Answers: (i) 0.07875 kgs¯¹, (ii) 1.52 kW, (iii) 7.89]
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