@prefix prodottidellaricerca: . @prefix istituto: . @prefix prodotto: . istituto:CDS070 prodottidellaricerca:prodotto prodotto:ID42764 . @prefix pubblicazioni: . @prefix unitaDiPersonaleInterno: . unitaDiPersonaleInterno:MATRICOLA720 pubblicazioni:autoreCNRDi prodotto:ID42764 . @prefix modulo: . modulo:ID2177 prodottidellaricerca:prodotto prodotto:ID42764 . unitaDiPersonaleInterno:MATRICOLA12993 pubblicazioni:autoreCNRDi prodotto:ID42764 . @prefix rdf: . prodotto:ID42764 rdf:type prodotto:TIPO1101 . @prefix retescientifica: . prodotto:ID42764 rdf:type retescientifica:ProdottoDellaRicerca . @prefix rdfs: . prodotto:ID42764 rdfs:label "Particle formation in opposed-flow diffusion flames of ethylene: An experimental and numerical study (Articolo in rivista)"@en . @prefix xsd: . prodotto:ID42764 pubblicazioni:anno "2009-01-01T00:00:00+01:00"^^xsd:gYear ; pubblicazioni:doi "10.1016/j.proci.2008.06.200"^^xsd:string . @prefix skos: . prodotto:ID42764 skos:altLabel "
D'Anna,A., Commodo, M., Sirignano,M., Minutolo,P., Pagliara,R. (2009)
Particle formation in opposed-flow diffusion flames of ethylene: An experimental and numerical study
in Proceedings of the Combustion Institute
"^^rdf:HTML ; pubblicazioni:autori "D'Anna,A., Commodo, M., Sirignano,M., Minutolo,P., Pagliara,R."^^xsd:string ; pubblicazioni:paginaInizio "793"^^xsd:string ; pubblicazioni:paginaFine "801"^^xsd:string ; pubblicazioni:url "http://www.sciencedirect.com/science/article/pii/S1540748908003635"^^xsd:string ; pubblicazioni:numeroVolume "32"^^xsd:string . @prefix ns11: . prodotto:ID42764 pubblicazioni:rivista ns11:ID46381 ; pubblicazioni:numeroFascicolo "1"^^xsd:string ; skos:note "ISI Web of Science (WOS)"^^xsd:string ; pubblicazioni:affiliazioni "Dipartimento di Ingegneria Chimica, Universit\u00E0 Federico II di Napoli, Piazzale V. Tecchio, 80, 80125, Napoli, Italy\nIstituto di Ricerche sulla Combustione, CNR, Napoli, Italy"^^xsd:string ; pubblicazioni:titolo "Particle formation in opposed-flow diffusion flames of ethylene: An experimental and numerical study"^^xsd:string ; prodottidellaricerca:abstract "An experimental and numerical study on particles inception and growth is performed in opposed-flow diffusion flames of ethylene and air characterized by different sooting tendencies. Spectrally resolved UV-visible laser induced fluorescence, laser induced incandescence and laser light scattering measurements are used to characterize different classes of combustion-generated compounds. A detailed kinetic model accounting for both gas-phase and particle formation is used. Comparison between experimental results and numerical predictions gives a qualitative view of the mechanism of particle formation in opposed-flow flames. Particle inception is the result of both chemical growth and coagulation of aromatic compounds. In the region close to the flame front where the temperature is relatively high and radicals are abundant, the particle inception is due to a chemical growth mechanism by which aromatic molecules add aromatic radicals leading to the formation of biphenyl-like structures. The growth process continues as high-molecular mass aromatics are moved away from the flame zone towards the stagnation plane by the addition of acetylene and other aromatics forming particles of increasing sizes. Graphitization of these particles and thermal annealing lead to the formation of soot particles. At relatively lower temperatures, found across the stagnation plane, particles growth still occurs and it is mainly due to a process of physical coagulation of PAHs. The experimental and numerical results obtained in this work demonstrate and explain the sensibility of inception and growth of particles to radical concentration and temperature in opposed-flow flame configurations."@en ; prodottidellaricerca:prodottoDi istituto:CDS070 , modulo:ID2177 ; pubblicazioni:autoreCNR unitaDiPersonaleInterno:MATRICOLA720 , unitaDiPersonaleInterno:MATRICOLA12993 . @prefix parolechiave: . prodotto:ID42764 parolechiave:insiemeDiParoleChiave . ns11:ID46381 pubblicazioni:rivistaDi prodotto:ID42764 . parolechiave:insiemeDiParoleChiaveDi prodotto:ID42764 .