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Q.5 A standard vapor compression cycle uses R134a as the refrigerant. The condensing and evaporating temperatures are 40°C and 0°C respectively. The isentropic efficiency of the compressor is 80%. The refrigerant flow rate is 0.35 kgs¹. Calculate (i) the heat absorption rate, (ii) the work input to the compressor, and (iii) the COP of the cycle.

Q.5 A standard vapor compression cycle uses R134a as the refrigerant. The condensing and evaporating temperatures are 40°C and 0°C respectively. The isentropic efficiency of the compressor is 80%. The refrigerant flow rate is 0.35 kgs¹. Calculate (i) the heat absorption rate, (ii) the work input to the compressor, and (iii) the COP of the cycle.

Elements Of Electromagnetics
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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A standard vapor compression cycle uses R134a as the Q.5 refrigerant. The condensing and evaporating temperatures are 40°C and 0°C respectively. The isentropic efficiency of the compressor is 80%. The refrigerant flow rate is 0.35 kgs. Calculate (i) the heat absorption rate, (ii) the work input to the compressor, and (iii) the COP of the cycle. |Answers: (i) 49.7 kW, (ii) 11.33 kW, (iii) 4.39||
Transcribed Image Text:A standard vapor compression cycle uses R134a as the Q.5 refrigerant. The condensing and evaporating temperatures are 40°C and 0°C respectively. The isentropic efficiency of the compressor is 80%. The refrigerant flow rate is 0.35 kgs. Calculate (i) the heat absorption rate, (ii) the work input to the compressor, and (iii) the COP of the cycle. |Answers: (i) 49.7 kW, (ii) 11.33 kW, (iii) 4.39||
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