Flow characterization of viscoelastic fluids around square obstacle

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dc.authorid0000-0002-0671-208X
dc.contributor.authorTezel, Güler Bengüsu
dc.contributor.authorYapıcı, Kerim
dc.contributor.authorUludağ, Yusuf
dc.date.accessioned2021-06-23T19:53:46Z
dc.date.available2021-06-23T19:53:46Z
dc.date.issued2019
dc.departmentBAİBÜ, Mühendislik Fakültesi, Kimya Mühendisliği Bölümüen_US
dc.description.abstractThis study focuses on the computational implementation of structured non-uniform finite volume method for the 2-D laminar flow of viscoelastic fluid past a square section of cylinder in a confined channel with a blockage ratio 1/4 for Re = 10(-)(4), 5, 10 and 20. Oldroyd-B model (constant viscosity with elasticity) and the PTT model (shear-thinning with elasticity) are the constitutive models considered. In this study effects of the elasticity and inertia on the drag coefficients and stress fields around the square cylinder are obtained and discussed in detail. With an increase elasticity, drag coefficients get smaller due to stronger shear thinning effects for PTT fluid, however, the drag coefficients show slightly enhancement for the Oldroyd-B fluid.en_US
dc.identifier.doi10.3311/PPch.12426
dc.identifier.endpage257en_US
dc.identifier.issn0324-5853
dc.identifier.issn1587-3765
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-85065034504en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage246en_US
dc.identifier.urihttps://doi.org/10.3311/PPch.12426
dc.identifier.urihttps://hdl.handle.net/20.500.12491/10235
dc.identifier.volume63en_US
dc.identifier.wosWOS:000453247900025en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorTezel, Güler Bengüsu
dc.language.isoenen_US
dc.publisherBudapest Univ Technology Economicsen_US
dc.relation.ispartofPeriodica Polytechnica-Chemical Engineeringen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectSquare Cylinderen_US
dc.subjectViscoelastic Flowen_US
dc.subjectPTT Fluiden_US
dc.subjectOldroyd-Ben_US
dc.titleFlow characterization of viscoelastic fluids around square obstacleen_US
dc.typeArticleen_US

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