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Numerical investigation of variable viscosities and thermal stratification effects on MHD mixed convective heat and mass transfer past a porous wedge in the presence of a chemical reaction

Ismoen, Muhaimin and Kandasamy, Ramasamy and Khamis, Azme (2009) Numerical investigation of variable viscosities and thermal stratification effects on MHD mixed convective heat and mass transfer past a porous wedge in the presence of a chemical reaction. Applied Mathematics and Mechanics (English Edition), 30 (11). pp. 1353-1364. ISSN 02534827

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Abstract

An analysis is presented to investigate the effects of variable viscosities and thermal stratification on the MHD mixed convective heat and mass transfer of a viscous, incompressible, and electrically conducting fluid past a porous wedge in the presence of a chemical reaction. The wall of the wedge is embedded in a uniform non-Darcian porous medium in order to allow for possible fluid wall suction or injection. The governing boundary layer equations are written into a dimensionless form by similarity transformations. The transformed coupled nonlinear ordinary differential equations are solved numerically with finite difference methods. Numerical calculations up to the third order level of truncation are carried out for different values of dimensionless parameters. The results are presented graphically, and show that the flow field and other quantities of physical interest are significantly influenced by these parameters. The results are compared with those available in literature, and show excellent agreement. © 2009 Shanghai University and Springer Berlin Heidelberg.

Item Type: Article
Uncontrolled Keywords: boundary layer equations; dimensionless parameters; electrically conducting fluids; magnetic effect
Subjects: T Technology > TJ Mechanical engineering and machinery > TJ255-265 Heat engines
Divisions: Faculty of Applied Science and Technology > Department of Science and Mathematics
Depositing User: M.Iqbal Zainal A
Date Deposited: 11 Mar 2013 10:02
Last Modified: 11 Mar 2013 10:02
URI: http://eprints.uthm.edu.my/id/eprint/2349
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