Refrigerant-134a at 1 MPa and 90 degrees * C is to be cooled to 1 MPa and 30 degrees * C in a condenser by air. The air enters at 100 kPa and 27°C with a volume flow rate of 600m ^ 3 / m * i * n and leaves at 95 kPa and 60 degrees * C . Determine the mass flow rate of the refrigerant

Refrigerant-134a at 1 MPa and 90 degrees * C is to be cooled to 1 MPa and 30 degrees * C in a condenser by air. The air enters at 100 kPa and 27°C with a volume flow rate of 600m ^ 3 / m * i * n and leaves at 95 kPa and 60 degrees * C . Determine the mass flow rate of the refrigerant

Automotive Technology: A Systems Approach (MindTap Course List)

6th Edition

ISBN:9781133612315

Author:Jack Erjavec, Rob Thompson

Publisher:Jack Erjavec, Rob Thompson

Chapter34: Emission Control Diagnosis And Service

Section: Chapter Questions

Problem 2RQ: What will result from too little EGR flow? And what can cause a reduction in the flow?

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Question

AIR
V, = 600 m/min
P-100 kPa
T,=27°C
R-134a
P=1 MPa
7,= 90°C
P,-95 kPa
T, = 60°C
P.=I MPa
7. = 30°C

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