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
Chapter3: Refrigeration And Refrigerants
Section: Chapter Questions
Problem 2RQ: What are the approximate temperature ranges tor low-, medium-, and high-temperature refrigeration...
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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
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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