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Permeability prediction for water seepage through low porosity granular porous media

du Plessis J.P. ; Roos L.I. (1993)


Momentum transport characteristic expressions for saturated water seepage through granular porous media are simplified by approximations for low and very low porosity cases. These simplifications are incorporated in momentum transport equations and result in relatively simple expressions for the hydrodynamic permeability of low porosity granular media. The porosity is allowed to differ spatially, but geometrical isotropy is demanded on an average basis. The results are restricted to laminar flow within the pores, but inertial effects due to hydrodynamic flow development within each pore section are accounted for. Results are quantitatively compared to that of the general granular porous medium model and also to experimentally correlated results.

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