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基于激光诱导荧光法的同轴射流火焰中羟基自由基、甲醛、发热率与一氧化氮的二维可视化测量

陈晓丽 金川 苏秋成 蒋利桥

陈晓丽, 金川, 苏秋成, 蒋利桥. 基于激光诱导荧光法的同轴射流火焰中羟基自由基、甲醛、发热率与一氧化氮的二维可视化测量[J]. 分析测试技术与仪器, 2021, 27(3): 182-188. doi: 10.16495/j.1006-3757.2021.03.005
引用本文: 陈晓丽, 金川, 苏秋成, 蒋利桥. 基于激光诱导荧光法的同轴射流火焰中羟基自由基、甲醛、发热率与一氧化氮的二维可视化测量[J]. 分析测试技术与仪器, 2021, 27(3): 182-188. doi: 10.16495/j.1006-3757.2021.03.005
CHEN Xiao-li, JIN Chuan, SU Qiu-cheng, JIANG Li-qiao. Two-Dimensional Visualization Measurement of Hydroxyl Radical, Formaldehyde, Heat Release Rate and Nitric Oxide in Co-Flow Jet Flame Based on Planar Laser Induced Fluorescence Technology[J]. Analysis and Testing Technology and Instruments, 2021, 27(3): 182-188. doi: 10.16495/j.1006-3757.2021.03.005
Citation: CHEN Xiao-li, JIN Chuan, SU Qiu-cheng, JIANG Li-qiao. Two-Dimensional Visualization Measurement of Hydroxyl Radical, Formaldehyde, Heat Release Rate and Nitric Oxide in Co-Flow Jet Flame Based on Planar Laser Induced Fluorescence Technology[J]. Analysis and Testing Technology and Instruments, 2021, 27(3): 182-188. doi: 10.16495/j.1006-3757.2021.03.005

基于激光诱导荧光法的同轴射流火焰中羟基自由基、甲醛、发热率与一氧化氮的二维可视化测量

doi: 10.16495/j.1006-3757.2021.03.005
详细信息
    作者简介:

    陈晓丽(1978-), 女, 博士, 高级工程师, 从事仪器管理、分析测试方面的研究工作, E-mail: chenxl@ms.giec.ac.cn

    通讯作者:

    蒋利桥(1975-),男,博士,研究员,主要从事燃烧场激光诊断方向研究工作,E-mail: jianglq@ms.giec.ac.cn

  • 中图分类号: O657.38

Two-Dimensional Visualization Measurement of Hydroxyl Radical, Formaldehyde, Heat Release Rate and Nitric Oxide in Co-Flow Jet Flame Based on Planar Laser Induced Fluorescence Technology

  • 摘要: 对现有单一组分羟基自由基(OH)平面激光诱导荧光系统(PLIF)装置进行功能扩展研发, 在不增加激光器和探测器的情况下, 拓展了甲醛(CH2O)、发热率(heat release rate, HRR)和一氧化氮(NO)三个参量的PLIF成像测试模块.同时, 利用所研制的同轴射流火焰装置开展了所建立的多参量PLIF测量技术的实测验证, 获得了同一火焰轴截面上的OH、CH2O、HRR与NO的二维分布.测试系统可广泛用于各种火焰结构测试及污染物NO产生机理分析, 为燃烧反应动力学模型及火焰结构理论研究提供有力的试验数据支撑.
  • 图  1  基于激光诱导荧光的OH、CH2O、NO和HRR测量装置示意图

    Figure  1.  Schematic diagram of OH, CH2O, NO and HRR measurement based on PLIF

    图  2  实验系统实物图

    Figure  2.  Photo of experimental system

    图  3  关键设备

    (a) Nd: YAG泵浦激光器与染料激光器, (b) 两台光纤光谱仪联用装置

    Figure  3.  Key instruments

    (a)Nd: YAG pump laser and dye laser, (b) two combined optical fiber spectrometers

    图  4  NO-PLIF专用染料泵和检测滤波片

    Figure  4.  Dye pump and detected filter for NO-PLIF

    图  5  同轴射流火焰燃烧器

    Figure  5.  Co-flow jet flame burner

    图  6  用于OH/CH2O/NO-PLIF测试的激光光源光谱特性

    Figure  6.  Spectral characteristics of laser source for OH/CH2O/NO-PLIF measurements

    图  7  Nd: YAG激光器输出能量监测结果

    Figure  7.  Monitored result of output energy of Nd: YAG laser

    图  8  正丁烷火焰的测量结果(当量比Φ =1.1,流速Umix=1.6 m/s)

    (a)直接拍照, (b) 自发光OH*, (c) OH-PLIF, (d) CH2O-PLIF, (e) HRR, (f) NO-PLIF

    Figure  8.  Measurement results of n-butane flame (Φ =1.1, Umix=1.6 m/s)

    (a) direct photo, (b) chemiluminescence OH*, (c) OH-PLIF, (d) CH2O-PLIF, (e) heat release rate, (f) NO-PLIF

    图  9  正丁烷火焰的测量结果(当量比Φ =1.6, 流速Umix=2.0 m/s)

    (a) 直接拍照, (b) 自发光OH*, (c) OH-PLIF, (d) CH2O-PLIF, (e) HRR, (f) NO-PLIF

    Figure  9.  Measurement results of n-butane flame (Φ =1.6, Umix=2.0 m/s)

    (a)direct photo, (b) chemiluminescence OH*, (c) OH-PLIF, (d) CH2O-PLIF, (e) HRR, (f) NO-PLIF

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出版历程
  • 收稿日期:  2021-06-18
  • 修回日期:  2021-08-20
  • 网络出版日期:  2021-09-29
  • 刊出日期:  2021-09-29

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