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Lid-driven cavity flow of viscoelastic liquids

2016Journal article Open access
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dc.contributor.authorSousa, R. G.
dc.contributor.authorPoole, R. J.
dc.contributor.authorAfonso, A. M.
dc.contributor.authorPinho, F. T.
dc.contributor.authorOliveira, P. J.
dc.contributor.authorMorozov, A.
dc.contributor.authorAlves, M. A.
dc.date.accessioned2021-01-20T15:16:47Z
dc.date.available2021-01-20T15:16:47Z
dc.date.issued2016
dc.description.abstractThe lid-driven cavity flow is a well-known benchmark problem for the validation of new numerical meth- ods and techniques. In experimental and numerical studies with viscoelastic fluids in such lid-driven flows, purely-elastic instabilities have been shown to appear even at very low Reynolds numbers. A finite-volume viscoelastic code, using the log-conformation formulation, is used in this work to probe the effect of viscoelasticity on the appearance of such instabilities in two-dimensional lid-driven cavities for a wide range of aspect ratios (0.125 ≤ = height/length ≤4.0), at different Deborah numbers under creeping-flow conditions and to understand the effects of regularization of the lid velocity. The effect of the viscoelasticity on the steady-state results and on the critical conditions for the onset of the elastic instabilities are described and compared to experimental results.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.jnnfm.2016.03.001pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/11047
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationELECTROKINETIC, MULTIPHASE FLOWS AND INSTABILITIES WITH VISCOELASTIC FLUIDS WITH APPLICATIONS IN MICROFLUIDICS
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectUCM modelpt_PT
dc.subjectOldroyd-B model;pt_PT
dc.subjectPurely-elastic flow instabilitypt_PT
dc.subjectVelocity regularizationpt_PT
dc.subjectFinite-volume methodpt_PT
dc.subjectLog-conformation tensorpt_PT
dc.titleLid-driven cavity flow of viscoelastic liquidspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleELECTROKINETIC, MULTIPHASE FLOWS AND INSTABILITIES WITH VISCOELASTIC FLUIDS WITH APPLICATIONS IN MICROFLUIDICS
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F75436%2F2010/PT
oaire.citation.endPage138pt_PT
oaire.citation.startPage129pt_PT
oaire.citation.titleJournal of Non-Newtonian Fluid Mechanicspt_PT
oaire.citation.volume234pt_PT
person.familyNameSousa
person.familyNamePoole
person.familyNameAfonso
person.familyNamePinho
person.familyNameOliveira
person.familyNameAlves
person.givenNameRenato
person.givenNameRobert
person.givenNameAlexandre
person.givenNameFernando
person.givenNamePaulo J.
person.givenNameManuel
person.identifier.ciencia-id301B-AB43-101C
person.identifier.ciencia-id7A15-7012-C5DF
person.identifier.ciencia-id3810-FB97-01DB
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person.identifier.orcid0000-0002-9576-4622
person.identifier.orcid0000-0001-9843-7558
person.identifier.orcid0000-0001-6585-6609
person.identifier.ridB-7960-2008
person.identifier.ridD-1405-2011
person.identifier.ridD-1035-2011
person.identifier.ridA-4638-2009
person.identifier.ridA-9394-2008
person.identifier.scopus-author-id7102334697
person.identifier.scopus-author-id35588804400
person.identifier.scopus-author-id7006647306
person.identifier.scopus-author-id24280605700
person.identifier.scopus-author-id26040459500
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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