Abstract
Abstract Pulsatile flow of a dusty fluid (Saffman’s model) through a two dimensional constricted channel in the presence of magnetic field is investigated. Perturbation solutions have been obtained under long wave length approximation and closed form expressions have been derived for stream function, velocities of fluid and solid particles, pressure distribution and shear stress. It is found that the streamlines get altered as magnetic parameter increases. The shear stress of the fluid acting on the wall increases with magnetic parameter but the pressure decreases.
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