Spectroscopic characterisation of carbonaceous nanoparticles in premixed flames (Articolo in rivista)

Type
Label
  • Spectroscopic characterisation of carbonaceous nanoparticles in premixed flames (Articolo in rivista) (literal)
Anno
  • 1999-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S1352-2310(98)00330-6 (literal)
Alternative label
  • Minutolo, P; Gambi, G; D'Alessio, A; Carlucci, S (1999)
    Spectroscopic characterisation of carbonaceous nanoparticles in premixed flames
    in Atmospheric environment (1994)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Minutolo, P; Gambi, G; D'Alessio, A; Carlucci, S (literal)
Pagina inizio
  • 2725 (literal)
Pagina fine
  • 2732 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 33 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 17 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR, Ist Ric Combustione, I-80125 Naples, Italy Univ Naples Federico II, Dipartimento Ingn Chim, Naples, Italy (literal)
Titolo
  • Spectroscopic characterisation of carbonaceous nanoparticles in premixed flames (literal)
Abstract
  • This work deals with the characterisation of the carbonaceous aerosols produced in a combustion source. These particles can be connected to the black and primary organic carbon aerosols found in the atmosphere. Premixed fuel rich laminar flames in sooting and non-sooting regimes of combustion are examined UV-visible light absorption laser-excited fluorescence, laser-induced incandescence and light scattering. The analysis of the spectroscopic measurements leads to the formulation of a model for the aerosol formed in flame consisting of a background matrix, with mono-ring sub-units connected by aliphalic bonds, that contains inclusions made of two aromatic rings and, in some cases, soot-like black carbon. With this model, the use of the scattering/absorption technique allows us to estimate the mean dimension and concentration of such particles. The most important finding of this paper is that carbon containing aerosol with typical size around 2 nm are formed also in non-luminous flames where elemental black carbon is absent and that similar particles are precursors for soot particles which are produced by their coagulation. (literal)
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