Water flows in a duct having a cross-section of 10x20 mm with a mean bulk diameter of 15.56 deg C. If the duct wall temperature is constant at 60 deg C and fully developed laminar flow prevails. a.) Calculate the heat transfer coefficient, h in W/m2-deg C choices: (405, 305, 151, 252) b.) What is the thermal conductivity of water at the given temperature, k in W/m-deg C choices: (0.604, 0.6, 0.585, 0.595) c.) Calculate the heat transfer rate per unit length in W/m choices; (605, 366, 505, 404)

Water flows in a duct having a cross-section of 10x20 mm with a mean bulk diameter of 15.56 deg C. If the duct wall temperature is constant at 60 deg C and fully developed laminar flow prevails. a.) Calculate the heat transfer coefficient, h in W/m2-deg C choices: (405, 305, 151, 252) b.) What is the thermal conductivity of water at the given temperature, k in W/m-deg C choices: (0.604, 0.6, 0.585, 0.595) c.) Calculate the heat transfer rate per unit length in W/m choices; (605, 366, 505, 404)

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 7.20P

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