ar; , 1.145 kJ/kgK; h, 256.41 kJ/kg; S, 1. %3D

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter45: Domestic Refrigerators And Freezers
Section: Chapter Questions
Problem 12RQ: Refrigerators currently being manufactured in the United States are using______as their refrigerant.
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An R134a simple saturation cycle refrigerator operates at 40°C condenser and 16°C evaporator
temperature, COP of refrigerator is
Given data:
1.0166 bar; C
1.145 kJ/kgK; h,
256.41 kJ/kg; s
= 1.711 kJ/kgK;
\t 4 10°C; P
119.43 KJ/kg
16 C; P
0.831KJ/kgK; h
= 389.02 KJ/kg; s,
= 1.7379 kJ/kgK
0.1573 MPa;
(a) 5.11
(b) 4.78
() 2.92
(d) 4.41
Transcribed Image Text:An R134a simple saturation cycle refrigerator operates at 40°C condenser and 16°C evaporator temperature, COP of refrigerator is Given data: 1.0166 bar; C 1.145 kJ/kgK; h, 256.41 kJ/kg; s = 1.711 kJ/kgK; \t 4 10°C; P 119.43 KJ/kg 16 C; P 0.831KJ/kgK; h = 389.02 KJ/kg; s, = 1.7379 kJ/kgK 0.1573 MPa; (a) 5.11 (b) 4.78 () 2.92 (d) 4.41
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