Nonstationary collisional dynamics in determining nitric oxide laser-induced fluorescence spectra

被引:15
|
作者
Daily, JW [1 ]
Bessler, WG
Schulz, C
Sick, V
Settersten, TB
机构
[1] Univ Colorado, Dept Engn Mech, Boulder, CO 80309 USA
[2] Heidelberg Univ, Interdisziplinares Zentrum Wissensch Rechnen, D-69120 Heidelberg, Germany
[3] Univ Duisburg Gesamthsch, Inst Verbrennung & Gasdynam, D-47057 Duisburg, Germany
[4] Univ Michigan, Dept Engn Mech, Ann Arbor, MI 48109 USA
[5] Sandia Natl Labs, Livermore, CA 94551 USA
关键词
D O I
10.2514/1.8783
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
Quantitative analysis of laser-induced fluorescence (LIF) signals of nitric oxide requires properly accounting for the effects of temperature, collisions, and laser and detection properties on the measured signals. Over the past, LIF properties of nitric oxide were studied for a range of conditions, from well-controlled burners to internal combustion engines. The knowledge gained from these studies has been compiled into a model and software tool that now allows the computation of LIF spectra/signals for given experimental conditions. However, the excitation dynamics are treated in a simplified fashion. The role of nonstationary excitation dynamics on the LIF signal is discussed utilizing a comprehensive, time-dependent, multilevel rate equation model.
引用
收藏
页码:458 / 464
页数:7
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