Magnetohydrodynamic Free Convective Flow Past an Infinite Vertical Porous Plate with Magnetic Induction

被引:11
|
作者
Kwanza, J. K. [1 ]
Balakiyema, J. A. [2 ]
机构
[1] Jomo Kenyatta Univ Agr & Technol, Dept Pure & Appl Math, Nairobi, Kenya
[2] Catholic Univ Eastern Africa, Dept Math & Comp Sci, Nairobi, Kenya
关键词
Free convection; Magnetic induction; Boundary layer; Porous plate;
D O I
10.1007/s10894-011-9475-3
中图分类号
TL [原子能技术]; O571 [原子核物理学];
学科分类号
0827 ; 082701 ;
摘要
The steady two-dimensional magnetohydrodynamic free convective laminar flow of an electrically conducting, viscous and incompressible fluid with finite electrical conductivity past an infinite heated vertical porous plate has been investigated. The coupled ordinary differential equations governing the velocity, the temperature and induced magnetic field distributions are solved analytically. The effects of Prandtl number (P (r) ), Grashof number (Gr), magnetic field parameter (M), and suction parameter () on the flow field are analysed using graphs. The study reveals that the increase of the Prandtl number (Pr) and the suction velocity () lead to a decrease in the temperature, velocity and the induced magnetic field in the boundary layer region whereas increase in Grashof number and magnetic field parameter lead to increased induced magnetic field.
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页码:352 / 356
页数:5
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