1. A cross-flow heat exchanger is used to transfer heat from a stream of saturated water at 100 °C to a stream of air entering at 20 °C. The UA value of the heat exchanger is 5000 W/K. Develop an equation for the outlet temperature of the air as a function of the mass flow rate of air through the heat exchanger. Plot the outlet air temperature vs. mass flow rate of air from 0.5 kg/s to 20 kg/s.
1. A cross-flow heat exchanger is used to transfer heat from a stream of saturated water at 100 °C to a stream of air entering at 20 °C. The UA value of the heat exchanger is 5000 W/K. Develop an equation for the outlet temperature of the air as a function of the mass flow rate of air through the heat exchanger. Plot the outlet air temperature vs. mass flow rate of air from 0.5 kg/s to 20 kg/s.
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter7: Forced Convection Inside Tubes And Ducts
Section: Chapter Questions
Problem 7.42P
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Heat Exchangers
Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.
Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
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