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Journal of Porous Media
IF: 1.49 5-Year IF: 1.159 SJR: 0.43 SNIP: 0.671 CiteScore™: 1.58

ISSN Print: 1091-028X
ISSN Online: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v13.i7.60
pages 645-653

UNSTEADY FLOWOF VISCOUS FLUID THROUGH A POROUS MEDIUM BOUNDED BY A POROUS PLATE IN A ROTATING SYSTEM

M. Jana
Department of Applied Mathematics, Vidyasagar University, Midnapore 721 102, India
S. L. Maji
Department of Applied Mathematics, Vidyasagar University, Paschim Medinipur, West Bengal-721102, India
S. Das
Department of Applied Mathematics with Oceanology and Computer Programming, Vidyasagar University, Midnapore 721 102, West Bengal, India
Rabindra N. Jana
Department of Applied Mathematics, Vidyasagar University, Midnapore-721 102, West Bengal, India

ABSTRACT

The flow of an unsteady viscous incompressible fluid past an infinite porous plate embedded in a porous medium in a rotating system has been studied. An analytical solution describing the flow at small and large times is obtained by the Laplace transform technique. It is observed that the velocity components increase with increase in porosity parameter. It is also found that for small values of time, there are no inertial oscillations, while for large values of time, the fluid reaches the steady state through inertial oscillations. Furthermore, the inertial oscillations are unaffected by both the suction/blowing and the permeability of the porous medium while it is affected by the rotation parameter.