Air flows through a 10 cm internal diameter tube at the rate of 75 kg/hr. Measurements indicate that the temperature of air is 325 K while the tube wall temperature is 375 K. The heat transfer rate for one meter length in the range of this point is Given data: Thermo physical properties of air at 325 K k = 0.02792 W/mk H-1.967 x 10-5 kg/ms Pr= 0.713 Nu = 3.66 for laminar Nu = 0.023 Re.8 p0.4 for turbulent,

Air flows through a 10 cm internal diameter tube at the rate of 75 kg/hr. Measurements indicate that the temperature of air is 325 K while the tube wall temperature is 375 K. The heat transfer rate for one meter length in the range of this point is Given data: Thermo physical properties of air at 325 K k = 0.02792 W/mk H-1.967 x 10-5 kg/ms Pr= 0.713 Nu = 3.66 for laminar Nu = 0.023 Re.8 p0.4 for turbulent,

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 7.27P

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