Refrigerant 134a at 1 MPa and 90°C is to be cooled to 1 MPa and 30°C in a condenser by ait. The air enters at 100 kPa and 27°C with a volume flow rate of 600 m/min and leaves at 95 kPa and 60°C. Determine the mass flow rate of the retrigerant.
Refrigerant 134a at 1 MPa and 90°C is to be cooled to 1 MPa and 30°C in a condenser by ait. The air enters at 100 kPa and 27°C with a volume flow rate of 600 m/min and leaves at 95 kPa and 60°C. Determine the mass flow rate of the retrigerant.
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
Chapter28: Special Refrigeration Applications
Section: Chapter Questions
Problem 15RQ: Why is two-stage compression popular for extra-low-temperature refrigeration systems?
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Question
![Air
V= 600 m'/min
P 100 kPa
T= 27°C
R-134a
PI=1 MPa
T= 90°C
P 95 KPa
60 C
P.-1 MPa
7- 30°C
Refrigerant-134a at 1 MPa and 90°C is to be cooled to 1 MPa and 30°C in a condenser by air. The air enters at 100 kPa and 27°C with a volume
flow rate of 600 m/min and leaves at 95 kPa and 60°C. Determine the mass flow rate of the refrigerant.
O AI 10 kg/min
O B) 25 koimin
O C 50 kg/min
D)76 ka/min
E100 kg/min](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb230e4d6-9af9-437b-9be7-3fb80739c06b%2F77bde4a4-e28d-44bb-a073-67cbbdab9c9c%2Fgn7yg8m_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Air
V= 600 m'/min
P 100 kPa
T= 27°C
R-134a
PI=1 MPa
T= 90°C
P 95 KPa
60 C
P.-1 MPa
7- 30°C
Refrigerant-134a at 1 MPa and 90°C is to be cooled to 1 MPa and 30°C in a condenser by air. The air enters at 100 kPa and 27°C with a volume
flow rate of 600 m/min and leaves at 95 kPa and 60°C. Determine the mass flow rate of the refrigerant.
O AI 10 kg/min
O B) 25 koimin
O C 50 kg/min
D)76 ka/min
E100 kg/min
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