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dc.contributor.authorVALDÉS‐PARADA, Francisco
dc.contributor.authorVALDÉS-PARADA, Francisco
hal.structure.identifierInstitut de Mécanique et d'Ingénierie de Bordeaux [I2M]
dc.contributor.authorLASSEUX, Didier
IDREF: 131294474
dc.contributor.authorWHITAKER, Stephen
dc.date.accessioned2021-05-14T09:31:48Z
dc.date.available2021-05-14T09:31:48Z
dc.date.issued2020-01
dc.identifier.issn0043-1397
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/75915
dc.description.abstractEnReactive transport of a dilute species in a Newtonian fluid saturating a homogeneous porous medium for slip flow is analyzed in this work. Incompressible Newtonian flow with a first-order (Navier) slip boundary condition is considered together with a first-order heterogeneous reaction\added{.} Kinetic numbers range up to unity \added{while} Knudsen number\added{s,} characteristic of slip-flow, \added{are} smaller than approximately 0.1. The pore-scale problem is upscaled, using the volume averaging method, to obtain a macroscopic transport equation (referred to as the \textit{complete upscaled model}) operating at the Darcy scale. Using order of magnitude estimates and an expansion in terms of the Kinetic number, \added{simplifications in the expressions of the effective coefficients are explored.} \added{The conditions under which the effective convective velocity and the total dispersion tensor are independent of reaction are derived. Under such conditions, a simplified version of the macroscopic transport equation is obtained. This is referred to as the \textit{simplified model}.} Numerical results \added{for} a simple structure indicate that the longitudinal dispersion \added{coefficient} decreases with decreasing Knudsen number, while the opposite holds for the transverse \added{component} of the total dispersion tensor, the effective convective velocity, and the effective reaction rate coefficient. These effects are more evident when the P\'eclet number increases (\textit{i.e.}, in the convective-favored regime) and when slip effects are more pronounced. Results predicted by the simplified and \added{the} complete versions of the upscaled model are validated with direct numerical simulations of the pore-scale problem on a two-dimensional model structure.
dc.language.isoen
dc.publisherAmerican Geophysical Union
dc.title.enUpscaling Reactive Transport Under Hydrodynamic Slip Conditions in Homogeneous Porous Media
dc.typeArticle de revue
dc.identifier.doi10.1029/2019WR025954
dc.subject.halSciences de l'ingénieur [physics]
dc.subject.halSciences de l'ingénieur [physics]/Milieux fluides et réactifs
bordeaux.journalWater Resources Research
bordeaux.volume56
bordeaux.hal.laboratoriesInstitut de Mécanique et d’Ingénierie de Bordeaux (I2M) - UMR 5295*
bordeaux.issue1
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.institutionINRAE
bordeaux.institutionArts et Métiers
bordeaux.peerReviewedoui
hal.identifierhal-03042095
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03042095v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Water%20Resources%20Research&rft.date=2020-01&rft.volume=56&rft.issue=1&rft.eissn=0043-1397&rft.issn=0043-1397&rft.au=VALD%C3%89S%E2%80%90PARADA,%20Francisco&VALD%C3%89S-PARADA,%20Francisco&LASSEUX,%20Didier&WHITAKER,%20Stephen&rft.genre=article


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