Obtain a relation for the fin efficiency for a fin of constant cross-sectional area A c ,
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Obtain a relation for the fin efficiency for a fin of constant cross-sectional area Ac, perimeter p, length L, and thermal conductivity k exposed to convection to a medium at T∞ with a heat transfer coefficient h. Assume the fins are sufficiently long so that the temperature of the fin at the tip is nearly T∞. Take the temperature of the fin at the base to be Tb and neglect heat transfer from the fin tips. Simplify the relation for (a) a circular fin of diameter D and (b) rectangular fins of thickness t.
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Related Book For
Fundamentals Of Thermal-Fluid Sciences
ISBN: 9781260716979
6th Edition
Authors: Yunus Cengel, John Cimbala, Afshin Ghajar
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