MIXED CONVECTION AROUND A HORIZONTAL CIRCULAR-CYLINDER IMMERSED IN A DARCY FLOW

被引：2
|
作者：
SANO, T
机构：
[1] Department of Mechanical Engineering, University of Osaka Prefecture, Osaka, Sakai
来源：
JOURNAL OF ENGINEERING MATHEMATICS | 1993年 / 27卷 / 02期
关键词：
D O I：
10.1007/BF00127483
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The forced and free mixed convection problem around a horizontal circular cylinder in a fluid-saturated porous medium is investigated at small Peclet number with Gr/Re = O(1). The Darcy flow model is used for the velocity field. The method of matched asymptotic expansions is used to obtain asymptotic solutions for small Peclet number. It is shown that, up to the present order of approximation, natural convection has no effects on the temperature field, and the effects of the parameter Gr/Re on the velocity field are examined in detail.
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页码：221 / 232
页数：12
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