EFFECT OF THE MAGNETIC FIELD AND SUSPENDED PARTICLES ON THERMOSOLUTAL INSTABILITY OF A ROTATING RIVLIN-ERICKSEN FLUID WITH VARYING GRAVITY FIELD IN A POROUS MEDIUM

摘要

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 effect on the system. Other different aspects affecting stability are also considered.