http://www.cnr.it/ontology/cnr/individuo/prodotto/ID21848
Peak soot temperature in laser-induced incandescence measurements (Articolo in rivista)
- Type
- Label
- Peak soot temperature in laser-induced incandescence measurements (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1007/s00340-006-2210-5 (literal)
- Alternative label
De iuliis S., Migliorini F., Cignoli F., Zizak G. (2006)
Peak soot temperature in laser-induced incandescence measurements
in Applied physics. B, Lasers and optics (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- De iuliis S., Migliorini F., Cignoli F., Zizak G. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Titolo
- Peak soot temperature in laser-induced incandescence measurements (literal)
- Abstract
- In order to understand the processes involved in the
laser-induced incandescence (LII) technique, the value of soot
temperature at the peak of the incandescence signal has been
studied. To this purpose, an absolute two-color LII technique
has been applied on ethylene and methane diffusion flames,
based on the comparison with a calibrated tungsten ribbon lamp.
The dependence of peak temperature on the fluence has been
investigated by using a sharply edged probe beam. Above a certain
fluence threshold a value close to 4000 K was obtained for
both flames at all locations, that means in largely different soot
conditions. At a suitably selected laser fluence, radial and axial
profiles of peak soot temperature and volume fraction were performed.
Soot volume fraction data have been validated with
results fromlaser extinction technique measurements. The quite
low values observed for methane prove the sensitivity of the LII
technique. Moreover, a discussion about soot refractive index is
presented. In the visible region a test of its influence on both
soot volume fraction and soot peak temperature was carried out,
while in the infrared the heating process was analyzed. (literal)
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