Turbulent Effects on Fluid Flow through Disordered Porous Media

Details Turbulent Effects on Fluid Flow through Disordered Porous Media Turbulent Effects on Fluid Flow through Disordered Porous Media

2001-02-13

arxiv.org/abs/cond-mat/0102238v1

Physica A 299 (2001) 371-377

Physics

Condensed Matter

Statistical Mechanics

6 pages, 2 figures, LateX file

Scientific paper

10.1016/S0378-4371(01)00257-6

The influence of turbulent effects on a fluid flow through a (pseudo) porous media is studied by numerically solving the set of Reynolds-averaged Navier-Stokes equations with the $\kappa$-$\epsilon$ model for turbulence. The spatial domains are two-dimensional rectangular grids with different {\it porosities} obtained by the random placing of rigid obstacles. The objective of the simulations is to access the behavior of the generalized friction factor with varying Reynolds number. A good agreement with the Forchheimer's equation is observed. The flow distribution at both low and high Reynolds conditions is also analyzed.

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