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Determination of particle temperatures in a silica-generating counterflow flame via flame emission measurements

✍ Scribed by Jeonghoon Lee; Jason Olfert; Igor S. Altman; Mansoo Choi

Publisher: Elsevier Science
Year: 2010
Tongue: English
Weight: 306 KB
Volume: 53
Category: Article
ISSN: 0017-9310
DOI: 10.1016/j.ijheatmasstransfer.2009.09.036

No coin nor oath required. For personal study only.

✦ Synopsis

We propose a simple technique to measure particle temperatures in a particle generating counterflow flame. The silica particle temperature was derived from flame light emission measurements. This technique allows the non-intrusive measurement of particle temperatures over 2000 K. In addition, the OH concentration distribution in the hydrogen-oxygen flame was estimated from flame emission spectra in the ultraviolet region. A numerical model of the combustion processes, which included the reactions of SiCl 4 leading to the formation of silica particles, verified that the measured particle temperatures and OH concentration were close to the theoretical values.

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