Complete the Table shown below to include R134a. Based on the data in whatrefrigerant can R134a be a substitute? Explain your answer. Operation on a standard vapor-compression cycle with an evaporating temperature of-15°C and a condensing temperature of 30°CRefrig-erant111222502717134aEvap-oratingpressure,kPa20.4182.7295.8349.6236.5Condens-ingpressure,kPa125.5744.61192.11308.61166.6Pressureratio6.154.084.033.744.93Refrig-eratingeffect,kJ/kg155.4116.3162.8106.21103.4Suctionvapor flowper kW ofrefrigeration,L/s4.900.7820.4760.4840.462COP5.034.704.664.374.76

Answered: Image /qna-images/answer/f7e63b0b-81b1-4f7d-8b5e-3b30bc4d3ba6.jpg

Answered: Complete the Table shown below to…

Complete the Table shown below to include R134a. Based on the data in what refrigerant can R134a be a substitute? Explain your answer.

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 4RQ: Typical head pressures should correspond to a condensing temperature_________ F higher than room...

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Question

Complete the Table shown below to include R134a. Based on the data in what
refrigerant can R134a be a substitute? Explain your answer.

Operation on a standard vapor-compression cycle with an evaporating temperature of
-15°C and a condensing temperature of 30°C
Refrig-
erant
11
12
22
502
717
134a
Evap-
orating
pressure,
kPa
20.4
182.7
295.8
349.6
236.5
Condens-
ing
pressure,
kPa
125.5
744.6
1192.1
1308.6
1166.6
Pressure
ratio
6.15
4.08
4.03
3.74
4.93
Refrig-
erating
effect,
kJ/kg
155.4
116.3
162.8
106.2
1103.4
Suction
vapor flow
per kW of
refrigeration,
L/s
4.90
0.782
0.476
0.484
0.462
COP
5.03
4.70
4.66
4.37
4.76

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