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LIPS技术探测CH_4/空气火焰中的OH自由基 被引量：1

Detection of OH Concentration in CH_4/Air Flames by Laser Induced Polarization Spectroscopy
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摘要 论述了激光诱导偏振光谱技术的基本原理,实验方法及其对燃烧场的测量结果。利用光谱扫描方法获得了A2∑+-X2Π(0,0)跃迁带系列吸收谱线及P1(2)谱线的线型轮廓。测量了CH4/空气预混火焰不同化学配比、不同空间位置OH自由基的相对分布。实验中通过设计精密旋转调节装置有效提高了信噪比。 A laser based diagnostic technique called laser induced polarization spectroscopy （LIPS） was introduced,and applied to the detection of OH molecules in premixed CH4/air flame.The polarization spectrum include line shape and signal intensity was recorded in the A2∑＋-X2Π（0,0） band.The spatial distribution of OH number density was measured in the flames with various flame equivalence ratios.Several methods were used to improve signal-to-noise.
作者 张振荣 黄梅生 胡志云 张立荣 赵新艳 叶锡生 刘晶儒
机构地区 西北核技术研究所
出处 《光谱实验室》 CAS CSCD 2008年第6期1027-1030,共4页 Chinese Journal of Spectroscopy Laboratory
关键词 偏振光谱 燃烧诊断 分子数密度 无多普勒展宽 Polarization Spectroscopy,Combustion Diagnostics,Molecular Number Density,Doppler-Free
分类号 O561.3 [理学—原子与分子物理] O657.39 [理学—分析化学]
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参考文献11

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同被引文献10

  • 1关小伟,刘晶儒,黄梅生,胡志云,张振荣,叶锡生.PLIF法定量测量甲烷-空气火焰二维温度场分布[J].强激光与粒子束,2005,17(2):173-176. 被引量：19
  • 2张振荣,刘晶儒,黄梅生,胡志云,关小伟,叶锡生.自发喇曼散射技术对燃烧场的诊断[J].强激光与粒子束,2005,17(5):646-650. 被引量：11
  • 3N yholm K, Maier R, Aminoff C G. Detection of OH in Flames by Using Polarization Spectroscopy[J]. App. Opt. , 1993,32 (6): 919-924.
  • 4Reichardt T A, Giancola W C, Lucht R P. Experimental Investigation of Satuated Polarization Spectroscopy for Quantitative Concentration Measurements[J]. App. Opt. , 2000,39(12) : 2002--2008.
  • 5Bresson A, Bouehardy P, Magre Pet al. OH/Acetone PLIF and CARS Thermometry in a Supersonic Reactive Layer[R]. New York..AIAA, 2001. 1759.
  • 6Grutamacher K, Dela Rosa M I, Gonzalo A B. Two-Photon Polarization Spectroscopy Applied for Quantitative Measurements of Atomic Hydrogen in Atmospheric Pressure Flames[J]. Appl. Phys. B, 2003,76(7):775--785.
  • 7Kulatilaka W D,Lucht R P,Hanna S F. Two-Color,Two-Photon Laser Induced Polarization Spectroscopy (LIPS) Measurements of Atomic Hydrogen in Near Sdiabatic,Atmospheric Pressure Hydrogen/Air Flames[J]. Combust Flame,2004,137(4):523-537.
  • 8Ritze H H,Stert V,Meisel E. High Resolution Polarization Spectroscopy in the Strong Saturation Regime[J]. Opt. Commun, 1979, 29(1):51-56.
  • 9Wolfgang E E. Doppler-Free Polarization Spectroscopy of Diatomic Molecules in Flame Reactions[J]. Opt. Commun, 1983,44(3):159-164.
  • 10胡志云,张振荣,刘晶儒,关小伟,黄梅生,叶锡生.用单次脉冲非稳腔空间增强探测CARS技术测量火焰温度[J].中国激光,2004,31(5):609-612. 被引量：13

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光谱实验室
2008年 第6期

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