MHD flow and heat transfer in a non-Newtonian liquid film over an unsteady stretching sheet with variable fluid properties

被引:57
|
作者
Mahmoud, Mostafa A. A. [1 ]
Megahed, Ahmed M. [1 ]
机构
[1] Benha Univ, Dept Math, Fac Sci, Banha 13518, Egypt
关键词
THERMAL-CONDUCTIVITY; VISCOUS DISSIPATION; THIN-FILM; SURFACE; THERMOCAPILLARITY;
D O I
10.1139/P09-066
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Nous etudions ici les effets d'une viscosite et d'une conductivite thermique variables sur l'ecoulement et le transfert de chaleur d'un fluide non Newtonien conducteur a l'interieur d'un mince film liquide sur une surface instable elastique en presence d'un champ magnetique transverse. Le systeme transforme d'equations differentielles ordinaires non lineaires est alors solutionne numeriquement. Nous presentons de facon graphique et analysons les resultats illustrant les effets des differents parametres sur les profils de vitesse et de temperature. Nous presentons sous forme de tables les valeurs du coefficient local de friction de peau et du nombre local de Nusselt pour differentes valeurs des parametres physiques.
引用
收藏
页码:1065 / 1071
页数:7
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