Friction losses in valves and fittings for viscoplastic fluids

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dc.contributor.authorTelis-Romero, J.
dc.contributor.authorPolizelli, M. A.
dc.contributor.authorGabas, A. L.
dc.contributor.authorTelis, VRN
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-20T15:26:20Z
dc.date.available2014-05-20T15:26:20Z
dc.date.issued2005-04-01
dc.description.abstractData on pressure drop were obtained in stainless steel, sanitary fittings and valves during laminar and turbulent flow of aqueous suspensions of sucrose and bentonite. The rheological properties of these suspensions were determined and the Bingham model provided the best fitting with the experimental data. Friction losses were measured in fully- and partially-open butterfly and plug valves, bends and union. Values of loss coefficients (k(f)) were calculated and correlated as functions of the classical Reynolds number and the Reynolds number proposed by Govier and Aziz (1972) for viscoplastic fluids. The two-k method and a new proposed model presented the best adjustments for the Govier and Aziz Reynolds number, and Hedstrom and classical Reynolds numbers, respectively.en
dc.description.affiliationUNESP, Dept Engn & Tecnol Alimentos, BR-15054000 São Paulo, Brazil
dc.description.affiliationUSP, Fac Zootecn & Engn Alimentos, BR-13635900 São Paulo, Brazil
dc.description.affiliationUnespUNESP, Dept Engn & Tecnol Alimentos, BR-15054000 São Paulo, Brazil
dc.format.extent186-193
dc.identifierhttp://dx.doi.org/10.1002/cjce.5450830205
dc.identifier.citationCanadian Journal of Chemical Engineering. Ottawa: Canadian Soc Chemical Engineering, v. 83, n. 2, p. 186-193, 2005.
dc.identifier.doi10.1002/cjce.5450830205
dc.identifier.issn0008-4034
dc.identifier.lattes9457081088108168
dc.identifier.urihttp://hdl.handle.net/11449/36522
dc.identifier.wosWOS:000230382500005
dc.language.isoeng
dc.publisherCanadian Soc Chemical Engineering
dc.relation.ispartofCanadian Journal of Chemical Engineering
dc.relation.ispartofjcr1.265
dc.relation.ispartofsjr0,377
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectpressure droppt
dc.subjectnon-Newtonian fluidspt
dc.subjectfriction factorspt
dc.subjectloss coefficientspt
dc.titleFriction losses in valves and fittings for viscoplastic fluidsen
dc.typeArtigo
dcterms.licensehttp://olabout.wiley.com/WileyCDA/Section/id-406071.html
dcterms.rightsHolderCanadian Soc Chemical Engineering
unesp.author.lattes9457081088108168
unesp.author.orcid0000-0002-2553-4629[4]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências Letras e Ciências Exatas, São José do Rio Pretopt

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Artigos - Engenharia e Tecnologia de Alimentos - IBILCE