The One-Dimensional Analysis of Fin Assembly Heat Transfer

[+] Author and Article Information
M. Manzoor, D. B. Ingham

Department of Applied Mathematical Studies, University of Leeds, Leeds LS2 9JT, England

P. J. Heggs

Department of Chemical Engineering, University of Leeds, Leeds LS2 9JT, England

J. Heat Transfer 105(3), 646-651 (Aug 01, 1983) (6 pages) doi:10.1115/1.3245634 History: Received May 27, 1982; Online October 20, 2009


The design of finned surfaces is conventionally performed in two stages. First the fin efficiency is determined by simultaneously analyzing the conductive heat flow within the fin, and the convective heat dissipation from the surface of the fin. Then, the effects of the thermal interaction between the supporting interface and the fins and the convective heat exchange at the plain side of the supporting interface are incorporated by employing a technique based on electric circuit theory. In this study, it is shown that this technique in fact has a mathematically rigorous foundation. It is also shown that, for design purposes, there is a far superior alternative to the fin efficiency.

Copyright © 1983 by ASME
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