Optimization of Radiating Fin Arrays With Respect to Weight

[+] Author and Article Information
N. M. Schnurr, A. B. Shapiro, M. A. Townsend

Department of Mechanical Engineering, Vanderbilt University, Nashville, Tenn.

J. Heat Transfer 98(4), 643-648 (Nov 01, 1976) (6 pages) doi:10.1115/1.3450613 History: Received May 10, 1976; Online August 11, 2010


A nonlinear optimization approach is used to determine the minimum weight design for radiating fin arrays used in space applications. Straight and circular fins of rectangular and triangular profile are considered for emissivities in the range of 0.8 to 1.0. The heat transfer analysis includes fin to fin and fin to base radiative interactions. The results, presented in graphical form, give the optimum geometries for the profiles considered in terms of dimensionless parameters. Thus, for specified values of heat transfer rate, base cylinder surface temperature and thermal properties of the fin material, these curves may be used to design minimum weight fin arrays. Two numerical examples are given.

Copyright © 1976 by ASME
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