Abstract

The flow of a dusty gas past an impulsively started semi-infinite vertical plate is studied. The non-dimensional governing equations are solved by an implicit finite difference scheme of Crank-Nicolson method, which is fast convergent and unconditionally stable. Gas velocity, dust particle velocity, temperature, skin-friction and Nusselt numbers are calculated numerically for various parameters and are shown graphically. It is observed that an increase in mass concentration of dust leads to a decrease in the dusty gas velocity but an increase in skin-friction.

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