Reorganization of liquid menisci between solid grains during evaporation/condensation of water in a wet porous medium

Edouard Canot 1 Renaud Delannay 2 Salwa Mansour 1
1 SAGE - Simulations and Algorithms on Grids for Environment
Inria Rennes – Bretagne Atlantique , IRISA-D1 - SYSTÈMES LARGE ÉCHELLE
Abstract : When a small amount of liquid water is present inside a granular medium, it is well known that it is located between the grains, and these menisci form like bridges. We consider in this paper a simple situation where all grains are perfect spheres and water is pure. A slight disorder is allowed for both their size and position, leading to variable gaps between the spheres, some of them being in contact. An initial given mass of water is introduced in the cell, and is distributed on all the gaps. The mass of water is taken as the main control parameter, and we study the reorganization of the liquid menisci, especially their surface area variation, because it is an important parameter for a global model of the evaporation phenomenon in wet porous media.
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Communication dans un congrès
InterPore 7th Conference on Porous Media, May 2015, Padua, Italy
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Contributeur : Édouard Canot <>
Soumis le : jeudi 17 décembre 2015 - 15:38:14
Dernière modification le : mercredi 16 mai 2018 - 11:23:25

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  • HAL Id : hal-01245726, version 1

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Edouard Canot, Renaud Delannay, Salwa Mansour. Reorganization of liquid menisci between solid grains during evaporation/condensation of water in a wet porous medium. InterPore 7th Conference on Porous Media, May 2015, Padua, Italy. 〈hal-01245726〉

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