期刊
ALEXANDRIA ENGINEERING JOURNAL
卷 54, 期 3, 页码 661-671出版社
ELSEVIER
DOI: 10.1016/j.aej.2015.04.013
关键词
Finite element method; MHD; Chemical reaction; Radiation; Viscous dissipation; Vertical plate
A numerical analysis is performed to study the unsteady magnetohydrodynamic convective flow of heat and mass transfer of a viscous, incompressible, electrically conducting Newtonian fluid along a vertical permeable plate in the presence of a homogeneous first order chemical reaction and taking into account thermal radiation effects. The porous plate was subjected to a constant suction velocity with variable surface temperature and concentration. The governing coupled nonlinear boundary layer partial differential equations were solved by an efficient and unconditionally stable finite element method based on Galerkin weighted residual approach. A representative set of computational results for the velocity, temperature and concentration profiles as well as Local skin-friction coefficient, Local Nusselt number and Local Sherwood number are presented graphically for various governing parameters such as M; R; Ec; Sc; and K. In the present analysis various comparisons with previously published work are performed and the results are found to be in a good agreement. (c) 2015 Faculty of Engineering, Alexandria University. Production and hosting by Elsevier B.V.
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