中国激光, 2020, 47 (4): 0411002, 网络出版: 2020-04-09
丙烷扩散火焰中多环芳烃的激光诱导荧光测量研究 
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Detection of Polycyclic Aromatic Hydrocarbons in Diffusion Flame of Propane by Laser Induced Fluorescence
图 & 表
图 2. 二维LIF-LII信号的测量装置
Fig. 2. Schematic of two-dimensional LIF-LII signal measurement experimental setup
图 4. 不同探测波长下测得的碳烟-LII强度的二维分布。(a) 450 nm;(b) 550 nm;(c) 650 nm
Fig. 4. Two-dimensional distributions of soot-LII intensity at different wavelengths. (a) 450 nm; (b) 550 nm; (c) 650 nm
图 5. 不同探测波长下测得的PAH-LIF和碳烟-LII信号强度的二维分布。(a) 326 nm;(b) 365 nm;(c) 400 nm;(d) 450 nm;(e) 550 nm;(f) 600 nm
Fig. 5. Two-dimensional distributions of PAH-LIF and soot-LII intensity at different wavelengths. (a) 326 nm; (b) 365 nm; (c) 400 nm; (d) 450 nm; (e) 550 nm; (f) 600 nm
图 6. 不同探测波长下得到的火焰中心信号强度随火焰高度位置的变化曲线
Fig. 6. Normalized intensity profiles along frame centerline obtained at different wavelengths versus frame height position
图 7. 在HE和LE条件下PMT@450 nm测得的时间分辨信号峰值强度随火焰高度位置的变化
Fig. 7. Time-resolved signal peak intensity measured with PMT@450 nm versus frame height position under HE and LE conditions
图 8. PMT@405 nm在HAB=25 mm处和HAB=16 mm 处测得的时域信号及单指数衰减拟合曲线
Fig. 8. Time-resolved signal measured by PMT@405 nm at HAB=25 mm and at HAB=16mm, and single exponential decay fitted curve
图 9. 不同激光能量密度下PMT@450 nm在 HAB=22 mm处测得的LIF时域信号
Fig. 9. Normalized LIF time-resolved signal measured with PMT@450 nm at HAB=22 mm under various laser fluence conditions
张健夫, 陈玲红, 余佳涵, 吴建, 吴学成, 岑可法. 丙烷扩散火焰中多环芳烃的激光诱导荧光测量研究[J]. 中国激光, 2020, 47(4): 0411002. Zhang Jianfu, Chen Linghong, Yu Jiahan, Wu Jian, Wu Xuecheng, Cen Kefa. Detection of Polycyclic Aromatic Hydrocarbons in Diffusion Flame of Propane by Laser Induced Fluorescence[J]. Chinese Journal of Lasers, 2020, 47(4): 0411002.
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