The rate of heat transfer through a composite pipe is given by the equation: Cold fluid (air) tot A Hot fluid thf tef 2nL(trf – tef) Q = 1 + In (r2/r¡) , In (r3/r2) + + kA kB hep.73] Where the subscript hf refers to the hot fluid and cf refers to the cold fluid. h is the convective heat transfer coefficient and k is the thermal conductivity. Write the equation in primary dimensions and show that it is homogenous.
The rate of heat transfer through a composite pipe is given by the equation: Cold fluid (air) tot A Hot fluid thf tef 2nL(trf – tef) Q = 1 + In (r2/r¡) , In (r3/r2) + + kA kB hep.73] Where the subscript hf refers to the hot fluid and cf refers to the cold fluid. h is the convective heat transfer coefficient and k is the thermal conductivity. Write the equation in primary dimensions and show that it is homogenous.
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.
Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.12P
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