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Communication Dans Un Congrès Année : 2023

Macroscopic dynamic capillary pressure for two-phase flow in porous media

Résumé

A closed predictive model for the macroscopic pressure difference, often referred to as the macroscopic capillary pressure, for two-phase flow in homogeneous porous media is of major importance to form a complete set of governing macroscale equations. This has been a long-lasting subject of research during the past 40 years [1, 3], and the majority of the existing models remain empirical at some level of their derivation. A new closed macroscopic dynamic capillary pressure equation is reported in this work on the basis of the existence of a representative (periodic) unit cell able to locally describe microscale momentum transport in the system. This is carried out with an adjoint method together with a Green’s formulation, requiring no other simplifying assumption.
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Dates et versions

hal-04300574 , version 1 (22-11-2023)

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  • HAL Id : hal-04300574 , version 1

Citer

Didier Lasseux, Francisco J Valdés-Parada. Macroscopic dynamic capillary pressure for two-phase flow in porous media. 16èmes Journées d'Étude sur les Milieux Poreux (JEMP 2023), France InterPore Chapter (FIC), Oct 2023, Rueil-Malmaison, France. ⟨hal-04300574⟩
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