Non-Darcy effects on three-dimensional natural convection in a rectangular box containing a heat-generating porous medium

被引：0
作者：
Mishra A.K. [1 ]
Kumar S. [1 ]
Sharma R.V. [1 ]
机构：
[1] Department of Mechanical Engineering, NIT Jamshedpur
来源：
Sharma, R.V. (rvsharma.me@nitjsr.ac.in) | 1600年 / Begell House Inc.卷 / 19期
关键词：
Internal heat generation; Natural convection; Numerical study; Porous media;
D O I：
10.1615/JPorMedia.v19.i12.20
中图分类号：
学科分类号：
摘要：
The present numerical study reports results of three-dimensional natural convection in a rectangular box filled with a fluid-saturated heat-generating porous medium. The Brinkman-extended Darcy flow model is considered in this study. The model has been numerically simulated employing a successive accelerated replacement scheme for a wide range of parameters, that is, 100 ≤ Ra ≤ 10, 0.00001 ≤ Da ≤ 0.1, 0.1 ≤ Ay ≤ 10, and 0.1 ≤ Az ≤ 10. As Darcy number increases, maximum temperature increases and position of maximum temperature shifts downward toward the center. The effect of varying the Darcy number is more pronounced at higher Rayleigh numbers and higher aspect ratios. © 2016 by Begell House, Inc.
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页码：1033 / 1043
页数：10
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