Optical Instruments, Volume. 44, Issue 3, 1(2022)

Measurement of particle surface temperature distribution based on multispectral microscopic imaging

Juan YANG1...2, Wu ZHOU1,2,*, Xiaoshu CAI1,2, Zhongjie SHEN3 and Haifeng LIU3 |Show fewer author(s)
Author Affiliations
  • 1School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
  • 2Shanghai Key Laboratory of Multiphase Flow and Heat Transfer for Power Engineering, Shanghai 200093, China
  • 3Shanghai Engineering Research Center of Coal Gasification, East China University of Science and Technology, Shanghai 200237, China
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    Figures & Tables(9)
    Spectral characteristic curve of camera
    Experimental setup for temperature calibration
    Response curve of color camera
    Temperature calibration results of multispectral camera
    Temperature measurement results of candle
    Surface temperature distribution of petroleum coke particles during combustion
    • Table 1. Predicted results by BP neural network

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      Table 1. Predicted results by BP neural network

      黑体炉设定值 温度/K 彩色相机测温结果多光谱相机测温结果
      温度/K相对误差/%温度/K相对误差/%
      1073.151065.250.741073.150.27
      1123.151113.720.841123.150.24
      1173.151182.860.831173.150.32
      1273.151294.011.641273.150.43
      1313.151301.680.871313.150.03
      1373.151383.920.781373.150.08
      1413.151419.410.441413.150.04
      1473.151466.810.431473.150.03
    • Table 2. Proximate analysis of coke particle

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      Table 2. Proximate analysis of coke particle

      M/ %A/ %V/ %F/ %
      0.712.037.9989.27
    • Table 3. Ultimate analysis of coke particle

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      Table 3. Ultimate analysis of coke particle

      C/ %H/ %N/ %S/ %
      91.633.461.682.78
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    Juan YANG, Wu ZHOU, Xiaoshu CAI, Zhongjie SHEN, Haifeng LIU. Measurement of particle surface temperature distribution based on multispectral microscopic imaging[J]. Optical Instruments, 2022, 44(3): 1

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    Paper Information

    Category: TESTING TECHNOLOGY

    Received: Feb. 13, 2022

    Accepted: --

    Published Online: Jul. 8, 2022

    The Author Email: ZHOU Wu (zhouwu@usst.edu.cn)

    DOI:10.3969/j.issn.1005-5630.2022.03.001

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