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4 Hot region Lour Condenser Expansion valve Compressor lb m₁-30.59- min Evaporator Qin Cold region h S State T(°F) (lbf/in.²) (Btu/lb) (Btu/lb.ºR) 1 10 0 102.94 0.2391 2 180 131.04 0.2391 3 180 Sat. 50.64 0.1009 4 10 Sat. 50.64 Fig. P10.9

4 Hot region Lour Condenser Expansion valve Compressor lb m₁-30.59- min Evaporator Qin Cold region h S State T(°F) (lbf/in.²) (Btu/lb) (Btu/lb.ºR) 1 10 0 102.94 0.2391 2 180 131.04 0.2391 3 180 Sat. 50.64 0.1009 4 10 Sat. 50.64 Fig. P10.9

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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Modify the cycle in Problem 10.9 to have an isentropic compressor efficiency of 83% and let the temperature of the liquid leaving the condenser be 100 F. Sketch the T-s diagram for the modified cycle and determine, for the modified cycle,

(a) the compressor power, in horsepower.

(b) the rate of heat transfer from the working fluid passing through the condenser, in Btu/min.

(c) the coefficient of performance.

Note: Problem 10-9 is a vapor-compression system of R134a with a mass flow rate of 30.59 lb/min.

4 Hot region Lour Condenser Expansion valve Compressor lb m₁-30.59- min Evaporator Qin Cold region h S State T(°F) (lbf/in.²) (Btu/lb) (Btu/lb.ºR) 1 10 0 102.94 0.2391 2 180 131.04 0.2391 3 180 Sat. 50.64 0.1009 4 10 Sat. 50.64 Fig. P10.9
Transcribed Image Text:4 Hot region Lour Condenser Expansion valve Compressor lb m₁-30.59- min Evaporator Qin Cold region h S State T(°F) (lbf/in.²) (Btu/lb) (Btu/lb.ºR) 1 10 0 102.94 0.2391 2 180 131.04 0.2391 3 180 Sat. 50.64 0.1009 4 10 Sat. 50.64 Fig. P10.9
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