http://www.cnr.it/ontology/cnr/individuo/prodotto/ID42763
Measurement of nanoparticles of organic carbon in non-sooting flame conditions (Articolo in rivista)
- Type
- Label
- Measurement of nanoparticles of organic carbon in non-sooting flame conditions (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.proci.2008.06.216 (literal)
- Alternative label
Sgro, L.A.; Barone, A.C.; Commodo, M.; D'Alessio, A.; De Filippo, A.; Lanzuolo, G.; P. Minutolo (2009)
Measurement of nanoparticles of organic carbon in non-sooting flame conditions
in Proceedings of the Combustion Institute
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Sgro, L.A.; Barone, A.C.; Commodo, M.; D'Alessio, A.; De Filippo, A.; Lanzuolo, G.; P. Minutolo (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://www.sciencedirect.com/science/article/pii/S1540748908002289 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Dipartimento di Ingegneria Chimica, University of Naples Federico II, Piazzale Tecchio 80, 80125 Napoli, Italy
Istituto di Ricerche sulla Combustione, CNR, Piazzale Tecchio 80, 80125 Napoli, Italy (literal)
- Titolo
- Measurement of nanoparticles of organic carbon in non-sooting flame conditions (literal)
- Abstract
- In this work we compare the results of several nanoparticle measurement techniques with the aim of
investigating the formation of nanoparticles in non-sooting to slightly sooting flames. In slightly sooting
conditions there is quite good agreement between Differential Mobility Analyser (DMA), Atomic Force
Microscopy (AFM), and optical measurements on particle size and concentration. However, in rich flames
below the onset of soot, DMA measures a strong drop-off in the total particle volume fraction at low fuel
to air mixtures, which is not observed in optical or AFM measurements that detect a more gradual decrease
in particle concentration with decreasing C/O and almost constant spectroscopic properties. The disagreement
is significantly larger than experimental error and is only observed when the particle size distribution
includes solely particles smaller than about 3 nm.
Particle losses in the DMA sampling system does not seem to be the only possible reason for justifying
the discrepancy with the other techniques. Further investigations are necessary in order to characterize
chemically and physically this class of nanoparticles which constitute the earliest stage in the formation
of particulate carbon. (literal)
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