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2 International Journal of Applied Mechanics and Engineering

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Unsteady flow through a porous medium due to noncoaxial rotations of a porous disk and a fluid at infinity subjected to a periodic suction

Guria M.

International Journal of Applied Mechanics and Engineering

2018

Vol. 23, no. 2

401--411

The unsteady flow of a viscous incompressible fluid due to non-coaxial rotations of a porous disk and a fluid at infinity subjected to a periodic suction through a porous medium has been studied. The velocity field, shear stresses are obtained in closed form. The variations of primary and secondary velocities for different values of non dimensional parameters are depicted in figures.

Flow due to non-coaxial rotations of a permeable disk and a fluid at infinity through a porous medium

Guria M., Manna G., Jana R. N., Pop I.

International Journal of Applied Mechanics and Engineering

2007

Vol. 12, no 4

965-974

Au exact solution of the flow due to non-co-axial rotation of a porous disk and a fluid at infinity through porous medium is obtained. It is found that the thickness of the boundary layer decreases with increase in permeability of the porous medium. The heat transfer characteristic of the flow has also been studied on taking viscous dissipation into account. It is found that the rate of heat transfer at the disk increases with increase in either suction at the disk or the permeability of the medium.