Experimental and Numerical Analysis of Air Trapping in a Porous Medium with Coarse Textured Inclusions - Publikacja - MOST Wiedzy

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Experimental and Numerical Analysis of Air Trapping in a Porous Medium with Coarse Textured Inclusions

Abstrakt

The paper presents a 2D upward infiltration experiment performed on a model porous medium consisting of fine sand background with two inclusions made of coarser sands. The purpose of the experiment was to investigate the effects of structural air trapping, which occurs during infiltration as a result of heterogeneous material structure. The experiment shows that a significant amount of air becomes trapped in each of the inclusions. Numerical simulations were carried out using the two-phase water-air flow model and the Richards equation. The experimental results can be reproduced with good accuracy only using a two-phase flow model, which accounts for both structural and pore-scale trapping. On the other hand, the Richards equation was not able to represent the structural trapping caused by material heterogeneity.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
Acta Geophysica nr 64, strony 2487 - 2509,
ISSN: 1895-6572
Język:
angielski
Rok wydania:
2016
Opis bibliograficzny:
Szymańska P., Tisler W., Szymkiewicz A., Schutz C., Neuweiler I., Helmig R.: Experimental and Numerical Analysis of Air Trapping in a Porous Medium with Coarse Textured Inclusions// Acta Geophysica. -Vol. 64, nr. 6 (2016), s.2487-2509
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1515/acgeo-2016-0095
Weryfikacja:
Politechnika Gdańska

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