Improvement on prediction for water seepage through low porosity granular media

du Plessis J.P. ; Roos L.I. (1994)

Article

A new set of equations is presented for the prediction of water seepage through granular porous media of low porosity. The results are based on the analytical modelling of form drag within a porous medium and improve on previous results which incorporate interstitial flow development within pore sections. The new formulation correlates extremely well with experimental observation as is evident from its very good correlation with the empirically based Ergun equation over the entire laminar Reynolds number range. It therefore presents a considerable improvement on results reported recently in this journal according to which the higher Reynolds number friction was severely underpredicted.

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