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Dynamics of compression-driven gas-liquid displacement in a capillary tube

Abstract:

We study two-phase displacement via the steady compression of an air reservoir connected to an oil-filled capillary tube. Our experiments and modeling reveal complex displacement dynamics depending on compression rate and reservoir volume that, for large reservoirs, depend on a single dimensionless compressibility number. We identify two distinct displacement regimes, separated by a critical value of the compressibility number. While the subcritical regime exhibits quasisteady displacement af...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevLett.130.114001

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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Oxford college:
University College
Role:
Author
ORCID:
0000-0002-8280-0743
Publisher:
American Physical Society
Journal:
Physical Review Letters More from this journal
Volume:
130
Article number:
114001
Publication date:
2023-03-13
Acceptance date:
2023-01-26
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Keywords:
Pubs id:
1231009
Local pid:
pubs:1231009
Deposit date:
2023-01-26

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