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dc.rights.licenseopenen_US
hal.structure.identifierMechanics surfaces and materials processing [MSMP]
dc.contributor.authorRODRÍGUEZ DE CASTRO, Antonio
dc.contributor.authorGOYEAU, Benoit
dc.date.accessioned2021-10-20T08:45:10Z
dc.date.available2021-10-20T08:45:10Z
dc.date.issued2021-02-01
dc.identifier.issn0021-9797en_US
dc.identifier.urioai:crossref.org:10.1016/j.jcis.2021.01.081
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/112828
dc.description.abstractEnDuring the flow of non-Newtonian fluids in porous media, the relationships between macroscopic quantities are governed by extremely complex microscopic fluid dynamics resulting from solid-fluid interactions. Consequently, the Darcy-scale viscosity exhibited by a shear-thinning fluid depends on the injection velocity, contrarily to the case of Newtonian fluids. In the present work, pore network modelling is used to investigate the relationships between local and macroscopic viscosities during the flow of shear-thinning fluids in 3D porous media. Special efforts are devoted to 1) identifying the influence of the viscosity exhibited by the fluid within the constrictions of the preferential flow paths on the value of Darcy-scale viscosity and 2) proposing an analytical expression to upscale viscosity from the local viscosity values. To go further, the reduction in average hydraulic tortuosity stemming from the directional nature of shear-thinning behavior in 3D porous media will also be quantified. The results of the present study show that Darcy-scale viscosity can be accurately calculated as the flow-rate weighted average of local viscosities in the investigated media. Moreover, the velocity maps provided by the proposed pore network flow simulations are suitable to assess hydraulic tortuosity reduction as compared to the flow of a Newtonian fluid.
dc.language.isoENen_US
dc.sourcecrossref
dc.subject.enShear-thinning fluids
dc.subject.enPore network modelling
dc.subject.enUpscaling method
dc.subject.enShear-viscosity distribution
dc.subject.enHydraulic tortuosity
dc.subject.enSolid-fluid interactions
dc.title.enA pore network modelling approach to investigate the interplay between local and Darcy viscosities during the flow of shear-thinning fluids in porous media
dc.typeArticle de revueen_US
dc.identifier.doi10.1016/j.jcis.2021.01.081en_US
dc.subject.halSciences de l'ingénieur [physics]/Mécanique [physics.med-ph]en_US
bordeaux.journalJournal of Colloid and Interface Scienceen_US
bordeaux.page446-457en_US
bordeaux.volume590en_US
bordeaux.hal.laboratoriesInstitut de Mécanique et d’Ingénierie de Bordeaux (I2M) - UMR 5295en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionBordeaux INPen_US
bordeaux.institutionCNRSen_US
bordeaux.institutionINRAEen_US
bordeaux.institutionArts et Métiersen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcedissemin
hal.identifierhal-03388017
hal.version1
hal.date.transferred2021-10-20T08:45:50Z
hal.exporttrue
workflow.import.sourcedissemin
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Colloid%20and%20Interface%20Science&rft.date=2021-02-01&rft.volume=590&rft.spage=446-457&rft.epage=446-457&rft.eissn=0021-9797&rft.issn=0021-9797&rft.au=RODR%C3%8DGUEZ%20DE%20CASTRO,%20Antonio&GOYEAU,%20Benoit&rft.genre=article


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