Calculate the rate of overall heat transfer coefficient for the tube heat exchanger with inner and outer heat transfer coefficient of 670 W/m2 -K and 1880 W/m2 -K, respectively. Thermal conductivity of the tube wall is 27 W/m-K. The diameter and the thickness of the tube are 4 cm and 1.5 mm, 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.
Chapter10: Heat Exchangers
Section: Chapter Questions
Problem 10.32P
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Calculate the rate of overall heat transfer coefficient for the tube heat exchanger with
inner and outer heat transfer coefficient of 670 W/m2

-K and 1880 W/m2

-K, respectively.
Thermal conductivity of the tube wall is 27 W/m-K. The diameter and the thickness of the
tube are 4 cm and 1.5 mm, respectively. 

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