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Determination of soot temperature, volume fraction and refractive index from flame emission spectrometry
Date
2007-03-01
Author
Ayranci, Iail
Vaillon, Rodolphe
Selçuk, Nevin
Andre, Frederic
Escudie, Dany
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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An inversion scheme based on tomographic reconstruction of flame emission spectra has been developed for nonintrusive characterization of soot temperature and volume fraction fields within an optically thin axisymmetric flame by extracting characteristic information on soot refractive index from spectral gradients of emission spectra. Its performance is assessed by providing input data obtained from intensities simulated by a direct code based on experimental data for a flame available in the literature. Proposed method was found to be especially powerful in the near-infrared range for accurate prediction of flame properties where spectral variation of optical constants is significant.
Subject Keywords
Combustion diagnostics
,
Soot
,
Refractive index
,
Flame emission spectroscopy
,
Optical tomography
URI
https://hdl.handle.net/11511/31538
Journal
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
DOI
https://doi.org/10.1016/j.jqsrt.2006.07.013
Collections
Graduate School of Natural and Applied Sciences, Article