Relationship between permeability and diffusion-controlled trapping constant of porous media

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Abstract

For anisotropic porous media of arbitrary topology, it is shown that there exists a rigorous relation between the fluid permeability tensor k and the diffusion-controlled trapping constant, namely, k-1I. It is demonstrated that the equality is achieved for a certain class of microstructures and that the bound can be relatively sharp for other media. The important fundamental as well as practical implications of this relation are discussed.

Original languageEnglish (US)
Pages (from-to)2644-2646
Number of pages3
JournalPhysical review letters
Volume64
Issue number22
DOIs
StatePublished - Jan 1 1990
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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