EMPIRICAL-EVALUATION OF AN IMPORTANT APPROXIMATION FOR COMBINED-MODE HEAT-TRANSFER IN A PARTICIPATING MEDIUM USING THE FINITE-ELEMENT METHOD

被引：12
|
作者：
BURNS, SP
HOWELL, JR
KLEIN, DE
机构：
[1] College of Engineering, The University of Texas at Austin, Austin, TX
来源：
NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS | 1995年 / 27卷 / 03期
关键词：
D O I：
10.1080/10407799508914959
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
An approximation common to many finite-element formulations for combined-mode heat transport is investigated. Although the approximation has been employed in the past, no discussion has been provided in the open literature regarding the implications of the approximation for solution accuracy. Two combined-mode problems involving conductive, convective, and radiative heat transfer modes in one and two dimensions are solved using two finite-element formulations. The first formulation employs a traditional Galerkin method while the second employs the approximation considered by this work. Results for the two benchmark problems are compared for accuracy and speed, and recommendations are made.
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页码：309 / 322
页数：14
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