A single compressor using R-12 as refrigerant has three evaporators of capacity 30TR, 20TR and10TR.The temperature in the three evaporators is to be maintained at -10 oC, 5 oC and 10 oC respectively. The condenser pressure is 9.609 bar. The liquid refrigerant leaving the condenser is subcooled to 30oC. The vapour leaving the evaporators is dry and saturated. Assuming isentropic compression, calculate (a) the mass of refrigerant flowing through each evaporator; (b) the power required to drive the compressor; and (c) C.O.P. of the system.
A single compressor using R-12 as refrigerant has three evaporators of capacity 30TR, 20TR and10TR.The temperature in the three evaporators is to be maintained at -10 oC, 5 oC and 10 oC respectively. The condenser pressure is 9.609 bar. The liquid refrigerant leaving the condenser is subcooled to 30oC. The vapour leaving the evaporators is dry and saturated. Assuming isentropic compression, calculate (a) the mass of refrigerant flowing through each evaporator; (b) the power required to drive the compressor; and (c) C.O.P. of the system.
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 single compressor using R-12 as refrigerant has three evaporators of
capacity 30TR, 20TR and10TR.The temperature in the three evaporators is to be
maintained at -10 oC, 5 oC and 10 oC respectively. The condenser pressure is 9.609
bar. The liquid refrigerant leaving the condenser is subcooled to 30oC. The vapour
leaving the evaporators is dry and saturated. Assuming isentropic compression,
calculate (a) the mass of refrigerant flowing through each evaporator; (b) the
power required to drive the compressor; and (c) C.O.P. of the system.
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