Performance characteristics of soot primary particle size measurements by time-resolved laser-induced incandescence

被引：118
|
作者：
Will, S [1 ]
Schraml, S [1 ]
Bader, K [1 ]
Leipertz, A [1 ]
机构：
[1] Univ Erlangen Nurnberg, Lehrstuhl Tech Thermodynam, D-91058 Erlangen, Germany
来源：
APPLIED OPTICS | 1998年 / 37卷 / 24期
关键词：
D O I：
10.1364/AO.37.005647
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A detailed analysis of various factors that influence the accuracy of time-resolved laser-induced incandescence for the determination of primary soot particles is given. As the technique relies on the measurement of the signal ratio at two detection times of the enhanced thermal radiation after an intense laser pulse, guidelines are presented for a suitable choice of detection times to minimize statistical uncertainty. An error analysis is presented for the issues of laser energy absorption, vaporization, heat conduction, and signal detection. Results are shown for a laminar ethene diffusion flame that demonstrate that concurring results are obtained for various laser irradiances, detection characteristics, and times of observation. (C) 1998 Optical Society of America.
引用
收藏
页码：5647 / 5658
页数：12
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