光学 精密工程, 2011, 19 (2): 284, 网络出版: 2011-03-30
激光光谱技术在燃烧流场诊断中的应用
Laser spectroscopy applied to combustion diagnostics
摘要
介绍了用于燃烧流场诊断的激光光谱技术的研究进展,叙述了相干反斯托克斯喇曼散射、自发振动喇曼散射、激光诱导荧光、分子滤波瑞利散射、可调谐二极管激光吸收光谱等技术的基本原理及其实验系统。给出并分析了激光光谱技术对预混火焰稳态燃烧场和固体燃剂瞬态燃烧场的温度、主要组分及浓度、流场密度和火焰构造测量的实验结果。实验结果表明,基于激光光谱的燃烧诊断技术不仅能够实现对稳态燃烧场的高精度测量,而且能够应用于复杂的瞬态燃烧场诊断。
Abstract
The research on laser combustion diagnostic techniques is reviewed. The fundamental principles and experimental systems of Coherent Anti-Stokes Raman Scattering (CARS), Spontaneous Vibration Raman Scattering (SVRS), Laser-induced Fluorescence (LIF), Molecular Filtered Rayleigh Scattering (FRS), Diode Laser Absorption Spectroscopy (TDLAS) etc., are presented. The measured main parameters of temperature, species concentration, density and structures in the premixed stable flame and solid fuel combustion are also given. The measured results indicate that laser spectroscopy-based diagnostic techniques can be used in premixed flame for high precision measurements, and are well suitable for the diagnostics of more complex transient combustion.
刘晶儒, 胡志云, 张振荣, 关小伟, 王晟, 陶波, 叶景峰, 张立荣, 黄梅生, 赵新艳, 叶锡生. 激光光谱技术在燃烧流场诊断中的应用[J]. 光学 精密工程, 2011, 19(2): 284. LIU Jing-ru, HU Zhi-yun, ZHANG Zhen-rong, GUAN Xiao-wei, WANG Sheng, TAO Bo, YE Jing-feng, ZHANG Li-rong, HUANG Mei-sheng, ZHAO Xin-yan, YE Xi-sheng. Laser spectroscopy applied to combustion diagnostics[J]. Optics and Precision Engineering, 2011, 19(2): 284.