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Numerical Heat Transfer, Part B: Fundamentals
An International Journal of Computation and Methodology
Volume 22, 1992 - Issue 2
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Original Articles

TECHNICAL NOTE NUMERICAL HEAT FLUX CALCULATION IN FEM

I. Shai The Pearlstone Centre for Aeronautical Engineering Studies, Mechanical Engineering Department, Ben-Gurion University, P.O. Box 653, Beer-Sheva, 84105, Israel
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M. Szanto The Pearlstone Centre for Aeronautical Engineering Studies, Mechanical Engineering Department, Ben-Gurion University, P.O. Box 653, Beer-Sheva, 84105, Israel
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I. Anteby The Pearlstone Centre for Aeronautical Engineering Studies, Mechanical Engineering Department, Ben-Gurion University, P.O. Box 653, Beer-Sheva, 84105, Israel
Pages 243-250 | Received 03 Jan 1991, Accepted 12 Nov 1991, Published online: 03 Apr 2007
 
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Abstract

In many engineering problems it is required to find the heat flux perpendicular to an arbitrary contour. In this article, a general procedure is introduced for calculating the heat flux perpendicular to any given contour by using the calculated temperature field of finite-element method (FEM) output. The accuracy of such a calculation is the same as that of the FEM analysis itself. An example is presented comparing the results calculated according to the suggested procedure to an analytical solution of the same problem. The most commonly used approximation is also given.

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