A perturbation solution for forced convection in a porous-saturated duct

被引：65
作者：
Hooman, K. [1 ]
机构：
[1] Univ Queensland, Sch Engn, Brisbane, Qld, Australia
来源：
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS | 2008年 / 211卷 / 01期
关键词：
forced convection; porous media; pipe flow; Brinkman-Forchheimer model;
D O I：
10.1016/j.cam.2006.11.005
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
Fully developed forced convection through a porous medium bounded by two isoflux parallel plates is investigated analytically on the basis of a Brinkman-Forchheimer model. The matched asymptotic expansion method is applied for small values of the Darcy number. For the case of large Darcy number the solution for the Brinkman-Forchheimer momentum equation is found in terms of an asymptotic expansion. With the velocity distribution determined, the energy equation is solved using the same asymptotic technique. The results for limiting cases are found to be in good agreement with those available in the literature and the numerical results obtained here. (C) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：57 / 66
页数：10
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