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Purely Elastic Flow Asymmetries

2007Journal article Open access
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dc.contributor.authorPoole, R. J.
dc.contributor.authorAlves, M. A.
dc.contributor.authorOliveira, Paulo J.
dc.date.accessioned2010-04-28T10:07:34Z
dc.date.available2010-04-28T10:07:34Z
dc.date.issued2007
dc.description.abstractUsing a numerical technique we demonstrate that the flow of the simplest differential viscoelastic fluid model (i.e., the upper-convected Maxwell model) goes through a bifurcation to a steady asymmetric state when flowing in a perfectly symmetric ‘‘cross-slot’’ geometry. We show that this asymmetry is purely elastic in nature and that the effect of inertia is a stabilizing one. Our results are in qualitative agreement with very recent experimental visualizations of a similar flow in the microfluidic apparatus of Arratia et al. [Phys. Rev. Lett. 96, 144502 (2006)].pt
dc.identifier.urihttp://hdl.handle.net/10400.6/634
dc.languageeng
dc.subjectElastic instabilitiespt
dc.subjectBifurcationpt
dc.subjectCross-slotpt
dc.subjectUCM modelpt
dc.titlePurely Elastic Flow Asymmetriespt
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issueVol. 99, No. 16, 164503pt
oaire.citation.titlePhysical Review Letterspt
person.familyNamePoole
person.familyNameAlves
person.familyNameOliveira
person.givenNameRobert
person.givenNameManuel
person.givenNamePaulo J.
person.identifier.ciencia-id3810-FB97-01DB
person.identifier.ciencia-id7A15-7012-C5DF
person.identifier.orcid0000-0001-6686-4301
person.identifier.orcid0000-0001-6585-6609
person.identifier.orcid0000-0001-9843-7558
person.identifier.ridB-7960-2008
person.identifier.ridA-9394-2008
person.identifier.ridA-4638-2009
person.identifier.scopus-author-id7102334697
person.identifier.scopus-author-id26040459500
person.identifier.scopus-author-id24280605700
rcaap.rightsopenAccess
rcaap.typearticlept
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relation.isAuthorOfPublicationf4a5da68-73fb-4a8b-9418-669d76d75f39
relation.isAuthorOfPublication.latestForDiscovery9e511d49-3b72-4ce7-9325-428c59118015

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