Complete the Table shown below to include R134a. Based on the data in what refrigerant can R134a be a substitute? Explain your answer.
Complete the Table shown below to include R134a. Based on the data in what refrigerant can R134a be a substitute? Explain your answer.
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
Related questions
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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F47a86795-e27f-4dce-a845-243535ab6ffc%2Ff7e63b0b-81b1-4f7d-8b5e-3b30bc4d3ba6%2Ff3v44zl_processed.png&w=3840&q=75)
Transcribed Image Text: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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