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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.9

ISSN Imprimer: 2152-5102
ISSN En ligne: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v36.i4.10
pages 289-299

Unsteady Hydrodynamic Flow Induced by a Porous Plate in a Rotating System

S. Das
Department of Applied Mathematics with Oceanology and Computer Programming, Vidyasagar University, Midnapore 721 102, West Bengal, India
Mrinmoy Guria
Department of Applied Mathematics with Oceanology and Computer Programming, Vidyasagar University, Midnapore - 721102, West Bengal, India
Rabindra N. Jana
Department of Applied Mathematics, Vidyasagar University, Midnapore 721 102, India

RÉSUMÉ

The unsteady flow of viscous incompressible fluid bounded by an infinite flat porous plate in a rotating fluid is considered where both the plate and the fluid rotate in unison with uniform angular velocity Ω about an axis normal to the plate. Initially (t' = 0) the fluid at infinity moves with uniform velocity U0 in the direction of the flow. At time t' > 0, the plate suddenly moves with uniform velocity U0 in the direction of the flow. The velocity field and the shear stress components at the plate are found exactly by using Laplace transform technique. The solutions are also obtained for small and large times.


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