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Title: CH and C2 radicals characterization in natural gas turbulent diffusion flames
Authors: Martins, Cristiane Aparecida
Pimenta, Amilcar Porto
Carvalho Júnior, João Andrade de
Ferreira, Marco Aurélio
Caldeira-Pires, Armando de Azevedo
Assunto:: Gás natural
Dinâmica dos fluidos
Energia - fontes alternativas
Issue Date: Apr-2005
Publisher: Associação Brasileira de Engenharia e Ciências Mecânicas - ABCM
Citation: MARTINS, C. A et al. CH and C2 radicals characterization in natural gas turbulent diffusion flames. Journal of the Brazilian Society of Mechanical Sciences and Engineering, Rio de Janeiro, v. 27, n. 2, p. 110-118, abr./jun. 2005. Disponível em:<http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1678-58782005000200003&lng=pt&nrm=iso&tlng=en>. Acesso em: 12 jun. 2012. Doi: http://dx.doi.org/10.1590/S1678-58782005000200003
Abstract: This 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/C2 emissions. This is an indication that these radicals can be used in flame front studies.
Licença:: Journal of the Brazilian Society of Mechanical Sciences and Engineering - Todo o conteúdo deste periódico, exceto onde está identificado, está licenciado sob uma Licença Creative Commons(Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0)). Fonte: http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1678-58782005000200003&lng=pt&nrm=iso&tlng=en. Acesso em: 12 jun. 2012.
DOI: http://dx.doi.org/10.1590/S1678-58782005000200003
Appears in Collections:ENM - Artigos publicados em periódicos

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