Figure on the right provides steady-state operating data for an ideal vapor-compression refrigeration cycle with Refrigerant 134a as the working fluid. The mass flow rate of refrigerant is 30.59 lb/min. Sketch the T–s diagram for the cycle and determine 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.
Figure on the right provides steady-state operating data for an ideal vapor-compression refrigeration cycle with Refrigerant 134a as the working fluid. The mass flow rate of refrigerant is 30.59 lb/min. Sketch the T–s diagram for the cycle and determine 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.
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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Question
Figure on the right provides steady-state operating
data for an ideal vapor-compression refrigeration cycle with
Refrigerant 134a as the working fluid. The mass flow rate of
refrigerant is 30.59 lb/min. Sketch the T–s diagram for the
cycle and determine
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.
data for an ideal vapor-compression refrigeration cycle with
Refrigerant 134a as the working fluid. The mass flow rate of
refrigerant is 30.59 lb/min. Sketch the T–s diagram for the
cycle and determine
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.
Transcribed Image Text:3
Expansion
valve
4
Hot region
lout
Condenser
Compressor
m₁ = 30.59
Evaporator
lin
Cold region
2
lb
min
We
Transcribed Image Text:State
1
2
3
4
P
(lbf/in.²)
10
180
180
10
T
(°F)
0
Sat.
Sat.
h
S
(Btu/lb) (Btu/lb.°R)
102.94
0.2391
131.04
0.2391
50.64
0.1009
50.64
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