Viscous Dissipation and Thermal Radiation Effects on Mixed Convection from a Vertical Plate in a Non-Darcy Porous Medium

被引：10

作者：

Narayana, Mahesha ^{[1
]}

Khidir, Ahmed A. ^{[1
]}

Sibanda, Precious ^{[1
]}

Murthy, P. V. S. N. ^{[2
]}

机构：

[1] Univ KwaZulu Natal, Sch Math Stat & Comp Sci, ZA-3209 Pietermaritzburg, South Africa

[2] Indian Inst Technol, Dept Math, Kharagpur 721302, W Bengal, India

来源：

TRANSPORT IN POROUS MEDIA | 2013年 / 96卷 / 02期

关键词：

Mixed convection; Non-Darcy porous medium; Viscous dissipation; Thermal radiation; Local non-similarity method; POWER-LAW FLUID; NON-NEWTONIAN FLUID; NATURAL-CONVECTION; HORIZONTAL SURFACE; FLOW; WALL;

D O I：

10.1007/s11242-012-0096-8

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The paper presents an investigation of the influence of thermal radiation and viscous dissipation on the mixed convective flow due to a vertical plate immersed in a non-Darcy porous medium saturated with a Newtonian fluid. The physical properties of the fluid are assumed to be constant. The Rosseland approximation is used to describe the radiative heat flux in the energy equation. The governing partial differential equations are transformed into a system of ordinary differential equations and solved numerically using a shooting method. The results are analyzed for the effects of various physical parameters such as viscous dissipation, thermal radiation, mixed convection parameters, and the modified Reynolds number on dynamics. The heat transfer coefficient is also tabulated for different values of the physical parameters.

引用

页码：419 / 428

页数：10

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