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An investigation is made on the effect of Hall currents on thermal instability of a compressible couple-stress fluid in the presence of a horizontal magnetic field saturated in a porous medium. The analysis is carried out within the framework of the linear stability theory and normal mode technique. A dispersion relation governing the effects of viscoelasticity, Hall currents, compressibility, magnetic...
The instability of plane interface between two superposed Rivlin-Ericksen elastico-viscous fluids saturated through a porous medium has been studied to include the suspended (dust) particles effect. Following the linearized stability theory and normal mode analysis the dispersion relation is obtained. For stationary convection, the Rivlin-Ericksen elastico-viscous fluid behaves like Newtonian fluids...
In the paper we consider thermal instability of a rotating Rivlin-Ericksen viscoelastic fluid in the presence of suspended particles in a porous medium, the effect of magnetic field with varying gravity field are also studied. It is found that for stationary convection, a Rivlin-Ericksen fluid behaves like an ordinary Newtonian fluid while the magnetic field has both stabilizing and destabilizing...
Natural convection laminar boundary layer flow and heat transfer of an incompressible magnetohydrodynamic visco-elastic fluid (Walter's liquid B'model) through a porous medium caused by stretching a wall with temperature gradient dependent heat sink/source is studied. Exact solutions for momentum transfer boundary layer flow and heat transfer boundary layer flow are obtained after reducing highly...
Non-similarity solutions for the boundary layer flow and heat transfer on a continuous moving wavy porous surface immersed in a quiescent electrically conducting fluid-saturated porous medium with a constant transverse magnetic field are obtained. Results for the velocity [...] and temperature O fields are presented, as well as the results for the skin-friction coefficient, C f and the local Nusselt...
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