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Effect of capillarity and heterogeneity in the numerical modelling of multiphase flow of fluids in unsaturated porous medium

Chakraborty, NBN and Mathew, M (2003) Effect of capillarity and heterogeneity in the numerical modelling of multiphase flow of fluids in unsaturated porous medium. In: 2nd MIT Conference on Computational Fluid and Solid Mechanics, JUN 17-20, 2003, Cambridge, Massachusetts.

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Abstract

The multiphase flow of fluids in the unsaturated porous medium is considered as a three phase flow of water, NAPL, and air simultaneously in the porous medium. The adaptive solution fully implicit modified sequential method is used for the numerical modelling. The effect of capillarity and heterogeneity effect at the interface between the media is studied and it is observed that the interface criteria has to be taken into account for the correct prediction of NAPL migration especially in heterogeneous media. The modified Newton Raphson method is used for the linearization and Hestines and Steifel Conjugate Gradient method is used as the solver.

Item Type: Conference Proceedings
Additional Information: Copyright of this article belongs to Elsevier Science B.V.
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 16 Mar 2012 12:21
Last Modified: 16 Mar 2012 12:21
URI: http://eprints.iisc.ernet.in/id/eprint/43787

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