EFFECT OF RADIATION ON MIXED CONVECTION ALONG VERTICAL CYLINDER WITH UNIFORM SURFACE HEAT FLUX IN A POROUS MEDIUM

被引：0

作者：

Khan, Waqar A. ^{[1
]}

Imran, Malik M. ^{[1
]}

Ali, Qaisar ^{[1
]}

机构：

[1] Natl Univ Sci & Technol, PN Engn Coll, Dept Engn Sci, Karachi 75350, Pakistan

来源：

JOURNAL OF POROUS MEDIA | 2013年 / 16卷 / 08期

关键词：

radiation; mixed convection; cylinder; heat flux; porous medium; Rosseland approximation; BOUNDARY-LAYER-FLOW; NATURAL-CONVECTION; THERMAL-RADIATION; PLATE;

D O I：

10.1615/JPorMedia.v16.i8.60

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this study, the effect of radiation on mixed convection along a vertical cylinder with uniform surface heat flux in a porous medium is investigated numerically using an implicit finite-difference method. Similar and nonsimilar solutions are obtained for combined radiation and mixed convection regime. Nusselt numbers are obtained for various values of different parameters. Several values of the power-law variation in surface heat flux, buoyancy, curvature, and mixed convection parameters are considered to study their effects on heat transfer rates. The Rosseland approximation is used to describe the radiative heat flux in energy equation.

引用

页码：757 / 765

页数：9

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