Water enters a crossflow heat exchanger (both fluids unmixed) at 16 °C and flows at the rate of 7.5 kg/s to cool 10.0 kg/s of air from 120 °C. For an overall heat transfer coefficient of 225 W/m² K and an exchanger surface area of 240 m², what is the exit air temperature? Taking the specific heats of the air and water to be constant at 1.014 and 4.182 kJ/kg K, respectively,

Water enters a crossflow heat exchanger (both fluids unmixed) at 16 °C and flows at the rate of 7.5 kg/s to cool 10.0 kg/s of air from 120 °C. For an overall heat transfer coefficient of 225 W/m² K and an exchanger surface area of 240 m², what is the exit air temperature? Taking the specific heats of the air and water to be constant at 1.014 and 4.182 kJ/kg K, respectively,

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 7.4P

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