Defect-mediated turbulence in ribbons of viscoelastic Taylor-Couette flow.
Identifieur interne : 000048 ( PubMed/Corpus ); précédent : 000047; suivant : 000049Defect-mediated turbulence in ribbons of viscoelastic Taylor-Couette flow.
Auteurs : Noureddine Latrache ; Nizar Abcha ; Olivier Crumeyrolle ; Innocent MutabaziSource :
- Physical review. E [ 2470-0053 ] ; 2016.
Abstract
Transition to defect-mediated turbulence in the ribbon patterns observed in a viscoelastic Taylor-Couette flow is investigated when the rotation rate of the inner cylinder is increased while the outer cylinder is fixed. In four polymer solutions with different values of the elasticity number, the defects appear just above the onset of the ribbon pattern and trigger the appearance of disordered oscillations when the rotation rate is increased. The flow structure around the defects is determined and the statistical properties of these defects are analyzed in the framework of the complex Ginzburg-Landau equation.
DOI: 10.1103/PhysRevE.93.043126
PubMed: 27176409
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E</title><idno type="eISSN">2470-0053</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Transition to defect-mediated turbulence in the ribbon patterns observed in a viscoelastic Taylor-Couette flow is investigated when the rotation rate of the inner cylinder is increased while the outer cylinder is fixed. In four polymer solutions with different values of the elasticity number, the defects appear just above the onset of the ribbon pattern and trigger the appearance of disordered oscillations when the rotation rate is increased. The flow structure around the defects is determined and the statistical properties of these defects are analyzed in the framework of the complex Ginzburg-Landau equation.</div></front></TEI><pubmed><MedlineCitation Status="In-Data-Review" Owner="NLM"><PMID Version="1">27176409</PMID><DateCreated><Year>2016</Year><Month>5</Month><Day>14</Day></DateCreated><DateRevised><Year>2016</Year><Month>5</Month><Day>14</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">2470-0053</ISSN><JournalIssue CitedMedium="Internet"><Volume>93</Volume><PubDate><Year>2016</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Physical review. E</Title><ISOAbbreviation>Phys Rev E</ISOAbbreviation></Journal><ArticleTitle>Defect-mediated turbulence in ribbons of viscoelastic Taylor-Couette flow.</ArticleTitle><Pagination><MedlinePgn>043126</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1103/PhysRevE.93.043126</ELocationID><Abstract><AbstractText>Transition to defect-mediated turbulence in the ribbon patterns observed in a viscoelastic Taylor-Couette flow is investigated when the rotation rate of the inner cylinder is increased while the outer cylinder is fixed. In four polymer solutions with different values of the elasticity number, the defects appear just above the onset of the ribbon pattern and trigger the appearance of disordered oscillations when the rotation rate is increased. The flow structure around the defects is determined and the statistical properties of these defects are analyzed in the framework of the complex Ginzburg-Landau equation.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Latrache</LastName><ForeName>Noureddine</ForeName><Initials>N</Initials><AffiliationInfo><Affiliation>Université de Brest, FRE CNRS 3744 IRDL, 29238 Brest, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Abcha</LastName><ForeName>Nizar</ForeName><Initials>N</Initials><AffiliationInfo><Affiliation>Morphodynamique Continentale et Côtière, UMR6143,CNRS-Université de Caen, Normandie Université, 24, rue des Tilleuls, 14000 Caen Cedex 3, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Crumeyrolle</LastName><ForeName>Olivier</ForeName><Initials>O</Initials><AffiliationInfo><Affiliation>Laboratoire Ondes et Milieux Complexes (LOMC),UMR 6294, CNRS-Université du Havre, Normandie Université, B.P. 540, 76058 Le Havre Cedex, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Mutabazi</LastName><ForeName>Innocent</ForeName><Initials>I</Initials><AffiliationInfo><Affiliation>Laboratoire Ondes et Milieux Complexes (LOMC),UMR 6294, CNRS-Université du Havre, Normandie Université, B.P. 540, 76058 Le Havre Cedex, France.</Affiliation></AffiliationInfo></Author></AuthorList><Language>ENG</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>Apr</Month><Day>22</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Phys Rev E</MedlineTA><NlmUniqueID>101676019</NlmUniqueID><ISSNLinking>2470-0045</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2015</Year><Month>4</Month><Day>30</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>5</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>5</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>5</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27176409</ArticleId><ArticleId IdType="doi">10.1103/PhysRevE.93.043126</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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