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Proceedings Paper

Mechanism of laser induced fluorescence signal generation in InCl3-ethanol mixture flames
Author(s): Bolang Fang; Zhiyun Hu; Zhenrong Zhang; Guohua Li; Jun Shao; Guobin Feng
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Paper Abstract

Nonlinear regime Two-line Atomic Fluorescence (NTLAF) is a promising technique for two-dimensional thermometry. A key challenge is seeding of indium atoms into flame. This work aims at investigating the mechanism of Indium LIF signal generation in a fuel-rich InCl3-ethanol premixed flame. Several types of images including natural emission of the flame itself, natural emission of CH, natural emission of OH, natural emission at 410 nm/451 nm of indium atom, and laser induced fluorescence at 410 nm/451 nm were obtained. The indium atom was generated in the flame front, and could survive in the post-flame zone for a while which is benefit for making NTLAF measurements. Further detail mechanism of fluorescence signals generation in InCl3-ethanol solution burning was investigated. The conclusion which probable to be drew is that to gain high NTLAF signals, the size of liquid droplets should be well controlled, neither to be too large nor to be gasified.

Paper Details

Date Published: 12 May 2017
PDF: 6 pages
Proc. SPIE 10173, Fourth International Symposium on Laser Interaction with Matter, 1017312 (12 May 2017); doi: 10.1117/12.2267888
Show Author Affiliations
Bolang Fang, Northwest Institute of Nuclear Technology (China)
Zhiyun Hu, Northwest Institute of Nuclear Technology (China)
Zhenrong Zhang, Northwest Institute of Nuclear Technology (China)
Guohua Li, Northwest Institute of Nuclear Technology (China)
Jun Shao, Northwest Institute of Nuclear Technology (China)
Guobin Feng, Northwest Institute of Nuclear Technology (China)


Published in SPIE Proceedings Vol. 10173:
Fourth International Symposium on Laser Interaction with Matter
Yongkun Ding; Guobin Feng; Dieter H. H. Hoffmann; Jianlin Cao; Yongfeng Lu, Editor(s)

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