Mixed convection of power-law fluids along a vertical wedge with convective boundary condition in a porous medium

被引：16

作者：

Khan, Waqar A. ^{[1
]}

Gorla, Rama Subba Reddy ^{[2
]}

机构：

[1] Natl Univ Sci & Technol, Dept Engn Sci, PNS Johar, Karachi 75350, Pakistan

[2] Cleveland State Univ, Dept Mech Engn, Cleveland, OH 44115 USA

来源：

JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY | 2010年 / 24卷 / 09期

关键词：

Mixed convection; Power-law fluids; Wedge; Porous medium; Finite difference method; Robin boundary condition; VARIABLE SURFACE-TEMPERATURE; NONSIMILAR SOLUTIONS; LAYER-FLOW;

D O I：

10.1007/s12206-010-0624-9

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The mixed convection of power-law fluids along a wedge in a porous medium is investigated numerically using an implicit finite difference method. Robin boundary condition is applied at the wedge surface. To explore the effects of mixed convection, both forced and free convection dominated regimes are considered separately. Non-similarity solutions are obtained for the variable heat transfer coefficient. Local dimensionless skin friction and Nusselt number are presented in tabular and graphical forms for the selected values of wedge and convective parameters. The wedge angle geometry parameter m, power index of pseudoplastic fluids n and mixed convection parameter xi range from 0 to 1 in both regimes, whereas different values of convective parameter h(c) are considered for investigating the behavior of skin friction and heat transfer rates.

引用

页码：1919 / 1925

页数：7

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