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Capillary rise in porous media


USUALLY the porespace in a porous medium is visualised as a more or less complicated assembly of isolated or interconnected capillaries, and such porespace models are used in describing transport phenomena in porous media. If capillary rise of a (wetting) liquid in a homogeneous irregular packing of rotund particles is considered, however, it seems that none of the existing porespace models is capable of explaining, not even qualitatively, the observed phenomena1.

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