Entropy analysis for viscoelastic magnetohydrodynamic flow over a stretching surface

被引：76

作者：

Aiboud, Soraya ^{[2
]}

Saouli, Salah ^{[1
]}

机构：

[1] Univ Kasdi Merbah, Fac Sci & Technol & Matters Sci, Dept Proc Engn, Ouargla 30000, Algeria

[2] Univ Kasdi Merbah, Fac Sci & Technol & Matters Sci, Dept Mech Engn, Ouargla 30000, Algeria

来源：

INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS | 2010年 / 45卷 / 05期

关键词：

Entropy analysis; Magnetohydrodynamic; Stretching surface; Viscoelastic; CONVECTIVE HEAT-TRANSFER; CONSTANT WALL TEMPERATURE; BOUNDARY-LAYER-FLOW; LAMINAR FLUID-FLOW; 2ND LAW ANALYSIS; VISCOUS DISSIPATION; 2ND-LAW ANALYSIS; MIXED CONVECTION; SHEET; CHANNEL;

D O I：

10.1016/j.ijnonlinmec.2010.01.007

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

This paper presents the application of the second law analysis of thermodynamics to viscoelastic magnetohydrodynamic flow over a stretching surface. The velocity and temperature profiles are obtained analytically using the Kummer's functions and used to compute the entropy generation number. The effects of the magnetic parameter, the Prandtl number, the heat source/heat sink parameter and the surface temperature parameter on velocity and temperature profiles are presented. The influences of the same parameters, the Hartmann number, the dimensionless group parameter and the Reynolds number on the entropy generation are also discussed. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：482 / 489

页数：8

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