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Item Flow through a channel whose walls are lined with non-erodible porous material is investigated using Beavers and Joseph slip boundary condition. It is shown that the effect of porous lining is to increase the mass flow rate and to decrease the friction factor. © 1976 Martinus Nijhoff Publishers.(Martinus Nijhoff, The Hague/Kluwer Academic Publishers, The effect of the thickness of the porous material on the parallel plate channel flow when the walls are provided with non-erodible porous lining) Channabasappa, M.N.; Umapathy, K.G.; Nayak, I.V.1976Item The paper deals with the linear stability analysis of laminar flow of a viscous fluid in a rotating porous medium in the form of an annulus bounded by two concentric circular impermeable cylinders. The usual no?slip condition is imposed at both the boundaries. The resulting sixth order boundary value, eigenvalue problem has been solved numerically for the small?gap case by the Runge?Kutta?Gill method, assuming that the marginal state is stationary. The results of computation reveal that the critical Taylor number increases with decreasing permeability of the medium. The problem is found to reduce to the case of ordinary viscous flow in the annulus obtained by Chandrasekhar,1 when the permeability parameter tends to zero. Copyright © 1984 John Wiley & Sons, Ltd(Stability of viscous flow in a rotating porous medium in the form of an annulus: The small?gap problem) Channabasappa, M.N.; Ranganna, G.; Rajappa, B.1984Item [No abstract available](Diffusion in hydromagnetic oscillatory flow through a porous channel) Ramachandra Rao, A.; Deshikachar, K.S.1987