150 L/s of hot air at 80 degrees Ceelsius enters an 8m long uninsulated square duct of cross-section 20 cm x 20 cm and leaves at 70 degree Celsius. The outer surface temperature of duct is observed to be constant. Use Colburn Equation.

150 L/s of hot air at 80 degrees Ceelsius enters an 8m long uninsulated square duct of cross-section 20 cm x 20 cm and leaves at 70 degree Celsius. The outer surface temperature of duct is observed to be constant. Use Colburn Equation.

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 7.38P

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