Kohse-Höinghaus K, Meier U, Attal-Trétout B
Appl Opt. 1990 Apr 1;29(10):1560-9. doi: 10.1364/AO.29.001560.
Laser-induced fluorescence (LIF) measurements of OH were performed in flat stoichiometric CH(4)/air flames burning at 1, 3, 5, 7, and 9.6 bar, which had previously been investigated using OH resonance CARS. In the LIF study, line shape information and temperatures were extracted from excitation spectra; in addition, OH profiles as a function of height above the burner surface and an estimate of the OH concentration for the different flames were obtained. The perspectives and feasibility of quantitative fluorescence measurements in high pressure flames are discussed, particularly in comparison with the application of resonance CARS.
在1、3、5、7和9.6巴压力下燃烧的化学计量比为CH(4)/空气的扁平火焰中,进行了OH的激光诱导荧光(LIF)测量,这些火焰此前已使用OH共振CARS进行过研究。在LIF研究中,从激发光谱中提取了线形信息和温度;此外,还获得了OH浓度随燃烧器表面上方高度变化的分布曲线以及不同火焰中OH浓度的估计值。讨论了在高压火焰中进行定量荧光测量的前景和可行性,特别是与共振CARS的应用进行了比较。