Three-dimensional squeezing flow in a rotating channel of lower stretching porous wall

The present study deals with the three-dimensional flow in a rotating channel of lower permeable stretching wall. The unsteady squeezing flow in the presence of transverse magnetic flux is mathematically modeled with the help of Navier-Stokes equations. The governing equations are normalized with the help of suitable similarity transformations and the analysis is based on a numerical technique. The numerical results are validated with the analytic solution by homotopy analysis method. The flow characteristics are investigated by a comprehensive parametric study. Various aspects of squeezing flow are focused and examined by plotting graphs and tables of stream lines, velocity profiles, pressure gradient and shear stresses. The vertical motion of upper plate interrupts the velocity in the channel remarkably and the pressure variations are significant near the boundaries of the channel. The downward motion of upper plate augments the forward flow and viscous drag on lower plate, whereas, upward motion enhances the reverse flow. However, a suitable choice of squeezing velocity can minimize the viscous drag on lower plate.

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