Q.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 kgs¹, (ii) 1.52 kW, (iii) 7.89]

Q.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 kgs¹, (ii) 1.52 kW, (iii) 7.89]

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 20RQ: Welded ______sealed compressors are normally used in household refrigerators.

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