Cluster identification and characterization in the riser of a circulating fluidized bed from numerical simulation results

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dc.contributor.authorCabezas-Gomez, Luben
dc.contributor.authorda Silva, Renato Cesar
dc.contributor.authorNavarro, Helio Aparecido
dc.contributor.authorMilioli, Fernando Eduardo [UNESP]
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Federal de Mato Grosso do Sul (UFMS)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:34:17Z
dc.date.available2014-05-20T15:34:17Z
dc.date.issued2008-03-01
dc.description.abstractA methodology of identification and characterization of coherent structures mostly known as clusters is applied to hydrodynamic results of numerical simulation generated for the riser of a circulating fluidized bed. The numerical simulation is performed using the MICEFLOW code, which includes the two-fluids IIT's hydrodynamic model B. The methodology for cluster characterization that is used is based in the determination of four characteristics, related to average life time, average volumetric fraction of solid, existing time fraction and frequency of occurrence. The identification of clusters is performed by applying a criterion related to the time average value of the volumetric solid fraction. A qualitative rather than quantitative analysis is performed mainly owing to the unavailability of operational data used in the considered experiments. Concerning qualitative analysis, the simulation results are in good agreement with literature. Some quantitative comparisons between predictions and experiment were also presented to emphasize the capability of the modeling procedure regarding the analysis of macroscopic scale coherent structures. (c) 2007 Elsevier B.V. All rights reserved.en
dc.description.affiliationUniv São Paulo, Escola Engn São Carlos, Dept Engn Mec, BR-13566 São Carlos, SP, Brazil
dc.description.affiliationUniversidade Federal de Mato Grosso do Sul (UFMS), Dept Ciencias Exatas, BR-79620 Tres Lagoas, MS, Brazil
dc.description.affiliationUniv Estadual Paulista, Inst Geociencias & Ciencias Exatas, Dept Estat Matemat Aplicada Computacao, BR-13506 Rio Claro, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Geociencias & Ciencias Exatas, Dept Estat Matemat Aplicada Computacao, BR-13506 Rio Claro, SP, Brazil
dc.format.extent327-340
dc.identifierhttp://dx.doi.org/10.1016/j.apm.2006.12.005
dc.identifier.citationApplied Mathematical Modelling. New York: Elsevier B.V., v. 32, n. 3, p. 327-340, 2008.
dc.identifier.doi10.1016/j.apm.2006.12.005
dc.identifier.fileWOS000253102200006.pdf
dc.identifier.issn0307-904X
dc.identifier.urihttp://hdl.handle.net/11449/42484
dc.identifier.wosWOS:000253102200006
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofApplied Mathematical Modelling
dc.relation.ispartofjcr2.617
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectclustersen
dc.subjectnumerical simulationen
dc.subjectgas-solid flowen
dc.subjectcirculating fluidized beden
dc.titleCluster identification and characterization in the riser of a circulating fluidized bed from numerical simulation resultsen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.orcid0000-0001-9384-4998[3]
unesp.author.orcid0000-0002-9550-9453[1]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Geociências e Ciências Exatas, Rio Claropt

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Artigos - Estatistica, Matemática Aplicada e Computação - IGCE