The special effects of fluctuating gravitational field on free convection MHD flow past an vertical homogeneously moving infinite erect porous plate with constant suction velocity in a porous medium under the influence of chemical reaction, radiation and uniform magnetic field, which is applied normal to the surface , is studied. A constant heat flux is prearranged on the plate. The gravitational field is implicit in the form g=g_o+g_1 cos??'t'. The permeability of the porous medium fluctuates in time about constant mean. The problem is solved analytically and expressions for velocity, temperature and concentration have been obtained. The effect of permeability k0, Hartmann number M, radiation parameter S, Grashof number Gr ,modified Grashof number Gc, chemical reaction kr on velocity ,temperature and skin friction amplitude and phase are obtained and shown respectively with the help of figures and tables and are discussed in detail.
Cite this article:
Suresh Rana. MHD Free Convective Fluctuating Flow and Mass Transfer Past a Porous Plate in the Presence of Radiation for an optically thin fluid with Variable Permeability. Research J. Engineering and Tech. 6(1): Jan.-Mar. 2015 page 06-12. doi: 10.5958/2321-581X.2015.00002.1