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RESEARCH PAPERS

Radiation Heat Transfer for Annular Fins of Trapezoidal Profile

[+] Author and Article Information
H. H. Keller

Mobil Oil Corporation, Dallas, Texas

E. S. Holdredge

Department of Mechanical Engineering, Texas A & M University, College Station, Texas

J. Heat Transfer 92(1), 113-116 (Feb 01, 1970) (4 pages) doi:10.1115/1.3449597 History: Received June 03, 1968; Online August 11, 2010

Abstract

A one-dimensional numerical solution is obtained for the steady-state thermal behavior of annular fins of trapezoidal profile which transfer heat by conduction and radiation. The results obtained are presented as charts relating fin efficiency to the dimensionless group (rT − rB )εσTB3/k cos α, for various values of the dimensionless groups rB /(rT − rB ), ZT /(rT − rB ), and arctan [(ZB − ZT )/(rT − rB )]. As presented the problem is the general formulation for the problem of radiating fins with flat surfaces.

Copyright © 1970 by ASME
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