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Improvement in techniques to determine extensional rheology from entrance flows: Computational and experimental analysis

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dc.title Improvement in techniques to determine extensional rheology from entrance flows: Computational and experimental analysis en
dc.contributor.author Zatloukal, Martin
dc.contributor.author Vlček, Jiří
dc.contributor.author Tzoganakis, Costas
dc.contributor.author Sáha, Petr
dc.relation.ispartof Journal of Non-Newtonian Fluid Mechanics
dc.identifier.issn 0377-0257 Scopus Sources, Sherpa/RoMEO, JCR
dc.date.issued 2002
utb.relation.volume 107
utb.relation.issue 1-3
dc.citation.spage 13
dc.citation.epage 37
dc.type article
dc.language.iso en
dc.publisher Elsevier Science B.V. en
dc.identifier.doi 10.1016/S0377-0257(02)00111-8
dc.relation.uri https://www.sciencedirect.com/science/article/pii/S0377025702001118
dc.subject elongační viskozita cs
dc.subject polymerní taveniny cs
dc.subject modelování toku cs
dc.subject White-Metzner model cs
dc.subject Extensional viscosity en
dc.subject polymer melts en
dc.subject flow modeling en
dc.subject White-Metzner model en
dc.description.abstract Flow through an abrupt contraction has been analyzed experimentally and theoretically through FEM simulations using the modified White-Metzner model. The results show that the 'entrance viscosity' (entrance pressure drop divided by the shear rate) strongly depends on the shape of the steady extensional viscosity, the L/D ratio of the orifice die, and it can be properly described by the newly proposed model. en
utb.faculty Faculty of Technology
dc.identifier.uri http://hdl.handle.net/10563/1000128
utb.identifier.rivid RIV/70883521:28110/02:63500610
utb.identifier.obdid 11052479
utb.identifier.scopus 2-s2.0-0037032701
utb.identifier.wok 000179259700002
utb.source j-riv
utb.contributor.internalauthor Zatloukal, Martin
utb.contributor.internalauthor Sáha, Petr
utb.fulltext.affiliation Martin Zatloukal a,∗, Jiří Vlček b, Costas Tzoganakis c, Petr Sáha a a Faculty of Technology, Tomas Bata University in Zlín, T.G. Masaryk Square 275, 762 72 Zlín, Czech Republic b Compuplast International Inc., Nerudova 158, 760 01 Zlín, Czech Republic c Department of Chemical Engineering, University of Waterloo, Waterloo, Ont., Canada N2L 3G1 Corresponding author. Tel.: +420-57-603-1350; fax: +420-57-603-1444. E-mail address: mzatloukal@ft.utb.cz (M. Zatloukal).
utb.fulltext.dates Received 6 May 2002; received in revised form 19 June 2002
utb.fulltext.sponsorship The support of the project by the Czech Grant Agency (grant no. 104/01/P132) and Ministry of education of the Czech Republic (grant no. 265200015) are gratefully acknowledged for financial support.
utb.fulltext.projects GACR 104/01/P132
utb.fulltext.projects MSM 265200015
utb.fulltext.faculty Faculty of Technology
utb.fulltext.ou -
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