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Impact of the Wetting Length on Flexible Blade Spreading

dc.contributor.authorKRAPEZ, Marion
dc.contributor.authorGAUTHIER, Anaïs
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorKELLAY, Hamid
dc.contributor.authorBOITTE, Jean-Baptiste
dc.contributor.authorAUBRUN, Odile
hal.structure.identifierCollège de France - Chaire Matière molle et biophysique
dc.contributor.authorJOANNY, J.-F.
dc.contributor.authorCOLIN, Annie
dc.date.issued2020-12
dc.identifier.issn0031-9007
dc.description.abstractEnWe study the spreading of a Newtonian fluid by a deformable blade, a common industrial problem, characteristic of elasto-hydrodynamic situations. Here, we consider the case of a finite reservoir of liquid, emptying as the liquid is spread. We evidence the role of a central variable: the wetting length lw, which sets a boundary between the wet and dry parts of the blade. We show that the deposited film thickness e depends quadratically with lw. We study this problem experimentally and numerically by integration of the elasto-hydrodynamic equations, and finally propose a scaling law model to explain how lw influences the spreading dynamics.
dc.language.isoen
dc.publisherAmerican Physical Society
dc.title.enImpact of the Wetting Length on Flexible Blade Spreading
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevLett.125.254506
dc.subject.halPhysique [physics]/Mécanique [physics]
bordeaux.journalPhysical Review Letters
bordeaux.volume125
bordeaux.issue25
bordeaux.peerReviewedoui
hal.identifierhal-03116506
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03116506v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Physical%20Review%20Letters&rft.date=2020-12&rft.volume=125&rft.issue=25&rft.eissn=0031-9007&rft.issn=0031-9007&rft.au=KRAPEZ,%20Marion&GAUTHIER,%20Ana%C3%AFs&KELLAY,%20Hamid&BOITTE,%20Jean-Baptiste&AUBRUN,%20Odile&rft.genre=article


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