A functional relationship between capillary pressure, saturation, and interfacial area as revealed by a pore-scale network model

Paul C. Reeves, Michael Anthony Celia

Research output: Contribution to journalArticle

293 Scopus citations

Abstract

The constitutive relationships required for the parameterization of multiphase flow and transport problems are of critical importance to hydrologic modeling. Recently, a hypothesis has been developed that predicts a functional relationship between capillary pressure, saturation, and interfacial area. A network model was developed to test this hypothesis. Microscale physical processes were simulated and volume averaging was used to derive the macroscopic measures of saturation and fluid-fluid interfacial area per volume of porous media. Results indicate that a smooth, though complex, functional relationship exists at the continuum scale. These results have direct relevance to constitutive theory and the modeling of nonaqueous phase liquid dissolution processes.

Original languageEnglish (US)
Pages (from-to)2345-2358
Number of pages14
JournalWater Resources Research
Volume32
Issue number8
DOIs
StatePublished - Aug 1 1996

All Science Journal Classification (ASJC) codes

  • Water Science and Technology

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