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Signatures of fluid-fluid displacement in porous media: wettability, patterns, and pressures

Abstract:

We develop a novel ‘moving-capacitor’ dynamic network model to simulate immiscible fluid–fluid displacement in porous media. Traditional network models approximate the pore geometry as a network of fixed resistors, directly analogous to an electrical circuit. Our model additionally captures the motion of individual fluid–fluid interfaces through the pore geometry by completing this analogy, representing interfaces as a set of moving capacitors. By incorporating pore-scale invasion events, the...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1017/jfm.2019.554

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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Oxford college:
University College
Role:
Author
ORCID:
0000-0002-8280-0743
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Publisher:
Cambridge University Press Publisher's website
Journal:
Journal of Fluid Mechanics Journal website
Volume:
875
Article number:
R4
Publication date:
2019-07-26
Acceptance date:
2019-07-04
DOI:
EISSN:
1469-7645
ISSN:
0022-1120
Pubs id:
pubs:1011831
UUID:
uuid:975fc665-353a-4bf2-b943-bb58b420a358
Source identifiers:
1011831
Local pid:
pubs:1011831

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