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Stability of Poiseuille flow in a fluid overlying an anisotropic and inhomogeneous porous layer

Deepu, P and Anand, Prateek and Basu, Saptarshi (2015) Stability of Poiseuille flow in a fluid overlying an anisotropic and inhomogeneous porous layer. In: PHYSICAL REVIEW E, 92 (2).

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Official URL: http://dx.doi.org/10.1103/PhysRevE.92.023009

Abstract

We present the linear stability analysis of horizontal Poiseuille flow in a fluid overlying a porous medium with anisotropic and inhomogeneous permeability. The generalized Darcy model is used to describe the flow in the porous medium with the Beavers-Joseph condition at the interface of the two layers and the eigenvalue problem is solved numerically. The effect of major system parameters on the stability characteristics is addressed in detail. It is shown that the anisotropic and inhomogeneous modulation of the permeability of the underlying porous layer provides an effective means for passive control of the flow stability.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the AMER PHYSICAL SOC, ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 03 Sep 2015 05:16
Last Modified: 03 Sep 2015 05:16
URI: http://eprints.iisc.ac.in/id/eprint/52282

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