Determine: State 1 2 3 3 w 4 T h S (lbf/in.2) (°F) (Btu/lb) (Btu/lb.°R) 102.9 0.2391 10 260 Slin Cold region 10 0 - 260 Sat. 134.7 61.02 Sat. 61.02 0.2391 0.1181 (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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The figure below 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.
State
3
Expansion
valve
-4
Hot region
5 Cout
Condenser
Compressor
mi = 30.59
Evaporator
Oin
Cold region
lb
min
W
р
T
h
S
(lbf/in.2) (°F) (Btu/lb) (Btu/lb.°R)
Transcribed Image Text:The figure below 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. State 3 Expansion valve -4 Hot region 5 Cout Condenser Compressor mi = 30.59 Evaporator Oin Cold region lb min W р T h S (lbf/in.2) (°F) (Btu/lb) (Btu/lb.°R)
6
Determine:
State
1
2
3
4
P
h
S
T
(lbf/in.2) (°F) (Btu/lb) (Btu/lb.°R)
10
260
Sein
Cold region
10
0
260 Sat.
102.9
134.7
61.02
Sat. 61.02
0.2391
0.2391
0.1181
1
(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:6 Determine: State 1 2 3 4 P h S T (lbf/in.2) (°F) (Btu/lb) (Btu/lb.°R) 10 260 Sein Cold region 10 0 260 Sat. 102.9 134.7 61.02 Sat. 61.02 0.2391 0.2391 0.1181 1 (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.
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