Hot water, k=48 W/m. It flows at a speed of 1.4 m/s along the cast iron pipe at oC. The inner and outer diameters of the pipe are 3.0 and 3.5 cm, respectively. The pipe is located within 15 m of a basement with a temperature of 15 °C. If the temperature of the water drops from 70 oC to 67 oC while passing through the basement and the film heat transfer coefficient on the inner surface of the pipe is 400 W/m2. Calculate the convective heat transfer coefficient on the outer surface of the pipe and the heat to be transferred.

Hot water, k=48 W/m. It flows at a speed of 1.4 m/s along the cast iron pipe at oC. The inner and outer diameters of the pipe are 3.0 and 3.5 cm, respectively. The pipe is located within 15 m of a basement with a temperature of 15 °C. If the temperature of the water drops from 70 oC to 67 oC while passing through the basement and the film heat transfer coefficient on the inner surface of the pipe is 400 W/m2. Calculate the convective heat transfer coefficient on the outer surface of the pipe and the heat to be transferred.

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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