Acta Physica Sinica, Volume. 68, Issue 23, 233301-1(2019)

Temperature measurement method of high temperature and high pressure flow field based on wavelength modulation spectroscopy technology

Bu-Qiang Zhang1,2, Zhen-Yu Xu1, Jian-Guo Liu1, Lu Yao1, Jun Ruan1, Jia-Yi Hu1, Hui-Hui Xia1, Wei Nie1,2, Feng Yuan1,2, and Rui-Feng Kan3、*
Author Affiliations
  • 1Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China
  • 2University of Science and Technology of China, Hefei 230026, China
  • 3Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
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    Figures & Tables(10)
    Simulated absorbance at different pressures: (a) Line1; (b) line2; (c) line3.模拟不同压强下的吸光度 (a) Line1; (b) line2; (c) line3
    The peak ratio of 2f/1f of the two pairs of absorption lines obtained by simulation varies with temperature and concentration: (a) Line2& Line1; (b) Line2& Line3.模拟两对吸收线2f/1f峰值比随温度和浓度变化 (a) Line2& Line1; (b) Line2& Line3
    Process of temperature inversion.温度反演流程
    Device diagram of field test.现场实验装置图
    Calibration result of .的标定结果
    Original absorption signal (top) and harmonic signal (bottom).原始吸收信号(上)和谐波信号(下)
    Temperature measurement results of three different working conditions.三种不同工况温度测量结果
    • Table 1.

      Spectroscopic parameters of three absorption lines.

      三条吸收线谱线参数

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      Table 1.

      Spectroscopic parameters of three absorption lines.

      三条吸收线谱线参数

      ${\upsilon _0}$/cm–1$S({T_0})$@296 K/cm–2·atm–1E''/cm–1γair0/cm–1·atm–1γself/cm–1·atm–1
      7185.601.91 × 10–21045.060.0410.198
      6807.836.03 × 10–63319.450.0980.183
      7444.35/371.10 × 10–31774/18060.019/0.01530.2/0.23
    • Table 2. Parameters of different operating conditions

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      Table 2. Parameters of different operating conditions

      StatePressure/atmFlow/kg·s–1Average temperature/K
      13.490.511958
      27.040.9971420
      310.581.481512
    • Table 3. Measurement result.

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      Table 3. Measurement result.

      State & illustrateState 1State 2State 3
      First groupAverage temperature/K975.411481.291596.33
      Absolute error/K17.4161.2984.33
      Relative error/%1.824.325.58
      Second groupAverage temperature/K980.571473.661595.77
      Absolute error/K22.5753.6683.77
      Relative error/%2.363.785.54
      Third groupAverage temperature/K982.911481.461601.50
      Absolute error/K24.9161.4689.50
      Relative error/%2.604.335.92
      TotalAverage temperature/K979.631478.801597.87
      Absolute error/K21.6358.8085.87
      Relative error/%2.264.145.68
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    Bu-Qiang Zhang, Zhen-Yu Xu, Jian-Guo Liu, Lu Yao, Jun Ruan, Jia-Yi Hu, Hui-Hui Xia, Wei Nie, Feng Yuan, Rui-Feng Kan. Temperature measurement method of high temperature and high pressure flow field based on wavelength modulation spectroscopy technology[J]. Acta Physica Sinica, 2019, 68(23): 233301-1

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    Paper Information

    Received: Apr. 9, 2019

    Accepted: --

    Published Online: Sep. 17, 2020

    The Author Email:

    DOI:10.7498/aps.68.20190515

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