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Poiseuille flow in a fluid overlying a porous medium

Hill, A.A.; Straughan, B.

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Authors

A.A. Hill

B. Straughan



Abstract

This paper numerically investigates the instability of Poiseuille flow in a fluid overlying a porous medium saturated with the same fluid. A three-layer configuration is adopted. Namely, a Newtonian fluid overlying a Brinkman porous transition layer, which in turn overlies a layer of Darcy-type porous material. It is shown that there are two modes of instability corresponding to the fluid and porous layers, respectively. The key parameters which affect the stability characteristics of the system are the depth ratio between the porous and fluid layers and the transition layer depth.

Citation

Hill, A., & Straughan, B. (2008). Poiseuille flow in a fluid overlying a porous medium. Journal of Fluid Mechanics, 603, 137-149. https://doi.org/10.1017/s0022112008000852

Journal Article Type Article
Publication Date May 1, 2008
Deposit Date Sep 12, 2012
Publicly Available Date Sep 12, 2012
Journal Journal of Fluid Mechanics
Print ISSN 0022-1120
Electronic ISSN 1469-7645
Publisher Cambridge University Press
Peer Reviewed Peer Reviewed
Volume 603
Pages 137-149
DOI https://doi.org/10.1017/s0022112008000852
Public URL https://durham-repository.worktribe.com/output/1531262

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