| Local wettability reversal during steady-state two-phase flow in porous media. | |
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MedLine Citation:
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PMID: 22060540 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We study the effect of local wettability reversal on remobilizing immobile fluid clusters in steady-state two-phase flow in porous media. We consider a two-dimensional network model for a porous medium and introduce a wettability alteration mechanism. A qualitative change in the steady-state flow patterns, destabilizing the percolating and trapped clusters, is observed as the system wettability is varied. When capillary forces are strong, a finite wettability alteration is necessary to move the system from a single-phase to a two-phase flow regime. When both phases are mobile, we find a linear relationship between fractional flow and wettability alteration. |
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Authors:
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Santanu Sinha; Morten Grøva; Torgeir Bryge Odegården; Erik Skjetne; Alex Hansen |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-9-28 |
Journal Detail:
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Title: Physical review. E, Statistical, nonlinear, and soft matter physics Volume: 84 ISSN: 1550-2376 ISO Abbreviation: - Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-11-8 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101136452 Medline TA: Phys Rev E Stat Nonlin Soft Matter Phys Country: - |
Other Details:
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Languages: ENG Pagination: 037303 Citation Subset: - |
Affiliation:
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Department of Physics, Norwegian University of Science and Technology, N-7491 Trondheim, Norway. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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