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Quasistatic fluid-fluid displacement in porous media: Invasion-percolation through a wetting transition

Abstract:

We study the influence of wettability on the morphology of fluid-fluid displacement through analog porous media in the limit of vanishing flow rates. We introduce an invasion-percolation model that considers cooperative pore filling and corner-flow mechanisms and captures interface motion at the pore scale for all quasistatic flow regimes between strong drainage and strong imbibition. We validate the method against recent experimental observations of wetting transition in microfluidic cells p...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevFluids.3.104001

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Name:
US Department of Energy
Grant:
DE-SC0018357
Publisher:
American Physical Society
Journal:
Physical Review Fluids More from this journal
Volume:
3
Article number:
104001
Publication date:
2018-10-11
Acceptance date:
2018-09-13
DOI:
EISSN:
2469-990X
Keywords:
Pubs id:
pubs:923203
UUID:
uuid:e71720cd-aeab-4a5b-a7a1-425e1f9436b7
Local pid:
pubs:923203
Source identifiers:
923203
Deposit date:
2018-10-02

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