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CH and C2 radicals characterization in natural gas turbulent diffusion flames

dc.contributor.authorMartins, C. A.
dc.contributor.authorPimenta, A. P.
dc.contributor.authorCarvalho, J. A. [UNESP]
dc.contributor.authorFerreira, M. A.
dc.contributor.authorCaldeira-Pires, A. A.
dc.contributor.institutionCentroTécnico Aeroespacial
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionInstituto Nacional de Pesquisas Espaciais (INPE)
dc.contributor.institutionUniversidade de Brasília (UnB)
dc.date.accessioned2014-05-27T11:21:18Z
dc.date.available2014-05-27T11:21:18Z
dc.date.issued2005-04-01
dc.description.abstractThis paper reports the construction of an axisymmetric nonpremixed piloted jet burner, with well-defined initial and boundary conditions, known as the Delft burner, to assess turbulence-chemistry interaction in non-premixed turbulent flames. Detailed experimental information is described, involving hot-wire anemometry, thin-wire thermocouples and chemiluminescence visualization measurements. Radial profile of the axial mean velocity indicates excellent agreement between flow patterns developed within Delft installation and the one described herein. Chemiluminescence emissions from CH and C2 free-radicals were acquired with a CCD camera. Tomography reconstruction analysis was utilised to compare radical emissions and temperature spatial distributions. There was a strong dependence between temperature and CH/C 2 emissions. This is an indication that these radicals can be used in flame front studies.en
dc.description.affiliationDepartamento de Propulsão Instituto Tecnológico de Aeronáutica CentroTécnico Aeroespacial, 50, Vila das Acacias, 12228-900 Sao Jose dos Campos, SP
dc.description.affiliationUniversidade Estadual Paulista Campus de Guaratinguetá Depto. de Energia, Av. Dr. Ariberto Pereira Cunha, 333, 12500-000 Guaratinguetá, SP
dc.description.affiliationLaboratório Associado de Combustão e Propulsão Instituto Nacional de Pesquisas Espaciais, Rodovia Presidente Dutra Km 40, 12630-000 Cachoeira Paulista, SP
dc.description.affiliationDepartamento de Engenharia Mecânica Universidade de Brasilia Campus Universitário Darcy Ribeiro, 70910-900 Brasília, DF
dc.description.affiliationUnespUniversidade Estadual Paulista Campus de Guaratinguetá Depto. de Energia, Av. Dr. Ariberto Pereira Cunha, 333, 12500-000 Guaratinguetá, SP
dc.format.extent110-117
dc.identifierhttp://dx.doi.org/10.1590/S1678-58782005000200003
dc.identifier.citationJournal of the Brazilian Society of Mechanical Sciences and Engineering, v. 27, n. 2, p. 110-117, 2005.
dc.identifier.doi10.1590/S1678-58782005000200003
dc.identifier.file2-s2.0-20844459541.pdf
dc.identifier.issn1678-5878
dc.identifier.scieloS1678-58782005000200003
dc.identifier.scopus2-s2.0-20844459541
dc.identifier.urihttp://hdl.handle.net/11449/68181
dc.language.isoeng
dc.relation.ispartofJournal of the Brazilian Society of Mechanical Sciences and Engineering
dc.relation.ispartofjcr1.627
dc.relation.ispartofsjr0,362
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectFlame tomography
dc.subjectFlame turbulence
dc.subjectGaseous fuel diffusion flames
dc.subjectThin-wire termocouples
dc.subjectCarbon
dc.subjectDiffusion
dc.subjectFlammability
dc.subjectFree radicals
dc.subjectJets
dc.subjectNatural gas
dc.subjectNozzles
dc.subjectThermocouples
dc.subjectTomography
dc.subjectTurbulent flow
dc.subjectThin wire thermocouples
dc.subjectGas burners
dc.titleCH and C2 radicals characterization in natural gas turbulent diffusion flamesen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/jbsmse/iaboutj.htm
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Engenharia, Guaratinguetápt
unesp.departmentEnergia - FEGpt

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