Cold air enters the mixing chamber at 85°C and 105 kPa at a rate of 0.55 m /s, while warm air enters at 487°C and 105 kPa and the exit temperature of air leaving the chamber is 370.3 K. What is the ratio of the mass flow rates of the cold to hot air streams (m /m)

Cold air enters the mixing chamber at 85°C and 105 kPa at a rate of 0.55 m /s, while warm air enters at 487°C and 105 kPa and the exit temperature of air leaving the chamber is 370.3 K. What is the ratio of the mass flow rates of the cold to hot air streams (m /m)

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

Chapter40: Typical Operating Conditions

Section: Chapter Questions

Problem 9RQ: The evaporator design temperature may in some cases operate at a slightly ____(higher or lower)...

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Question

Cold air enters the mixing
chamber at 85°C and 105
kPa at a rate of 0.55 m /s,
while warm air enters at
487°C and 105 kPa and the
exit temperature of air
leaving the chamber is 370.3
K. What is the ratio of the
mass flow rates of the cold
to hot air streams (m /m)

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