Journals Articles Conferences News About CLP
Submit a paper Email Alert
Search
Search
Articles
Journals
News
Advanced Search
Top Searches
2D MaterialsTransformation opticsQuantum PhotonicsSmall lasersSemiconductor UV PhotonicsSupersymmetric microring laser arrays

Laser & Optoelectronics Progress, Volume. 56, Issue 19, 193002(2019)

Quantitative Analysis on Coal Calorific Value Using Nanosecond, Femtosecond, and Dual-Pulse Laser-Induced Breakdown Spectroscopy

Jian Huang1、**, Jingqi Lu1、*, Huan Yang2, and Xiangdong Cao2
Author Affiliations
  • 1Department of Physics, College of Science of Wuhan University of Technology, Wuhan, Hubei 430070, China
  • 2Wuhan Hongtuo New Technology Co., Ltd., Wuhan, Hubei 430070, China
    • show less
    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
    Equations (0)
    References (22)
    Cited By (5)
    Tools
    Paper Information
    Topics
    Figures & Tables(9)
    Structural diagram of single pulse LIBS setup

    Fig. 1. Structural diagram of single pulse LIBS setup

    Download full size
    Structural diagram of double pulse LIBS setup

    Fig. 2. Structural diagram of double pulse LIBS setup

    Download full size
    Spectrograms of coal samples. (a) ns-LIBS; (b) fs-LIBS

    Fig. 3. Spectrograms of coal samples. (a) ns-LIBS; (b) fs-LIBS

    Download full size
    Scatter plot of normalized emission intensity of C

    Fig. 4. Scatter plot of normalized emission intensity of C

    Download full size
    Linear fitting of C content. (a) ns-LIBS; (b) ns-LIBS after correction; (c) fs-LIBS

    Fig. 5. Linear fitting of C content. (a) ns-LIBS; (b) ns-LIBS after correction; (c) fs-LIBS

    Download full size
    Femtosecond laser and dual-pulse laser induced spectrogram

    Fig. 6. Femtosecond laser and dual-pulse laser induced spectrogram

    Download full size
    Predicted calorific value by PLS. (a) ns-LIBS; (b) fs-LIBS; (c) DP-LIBS

    Fig. 7. Predicted calorific value by PLS. (a) ns-LIBS; (b) fs-LIBS; (c) DP-LIBS

    Download full size

    • Table 1. Carbon mass fraction and calorific value of standard coal samples

      View table

      Table 1. Carbon mass fraction and calorific value of standard coal samples

      Sample No.Mass fractionof C /%Calorific value /(MJ·kg-1)Sample No.Mass fractionof C /%Calorific value /(MJ·kg-1)
      179.7031.231057.8222.45
      276.2130.001156.1521.64
      381.4431.741218.437.60
      478.0830.28135.802.28
      581.4531.861478.3031.29
      678.5832.601582.3032.16
      779.6031.501679.7731.09
      849.3019.421776.5729.90
      967.0826.951880.7931.50

    • Table 2. Emission line of input parameter for quantitative analysis based on PLS

      View table

      Table 2. Emission line of input parameter for quantitative analysis based on PLS

      ElementEmission line /nmInput emission /nmElementEmission line /nmInput emission /nm
      C247.84247.65-248.15Si288.13288.02-285.54
      Mg285.17285.00-285.52Al309.27309.00-309.50
      Ti334.92334.80-335.10Fe393.36393.03-393.56
      CN388.28387.44-388.48Ca422.69422.42-422.90
      C2516.37516.21-516.73Na589.72589.52-589.91
      H656.22653.00-659.78O777.34776.47-777.88
    Tools

    Get Citation

    Copy Citation Text

    Jian Huang, Jingqi Lu, Huan Yang, Xiangdong Cao. Quantitative Analysis on Coal Calorific Value Using Nanosecond, Femtosecond, and Dual-Pulse Laser-Induced Breakdown Spectroscopy[J]. Laser & Optoelectronics Progress, 2019, 56(19): 193002

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Set citation alerts for article
    Save article for my favorites
    Paper Information

    Category: Spectroscopy

    Received: Mar. 14, 2019

    Accepted: Apr. 19, 2019

    Published Online: Oct. 23, 2019

    The Author Email: Huang Jian (709008668@qq.com), Lu Jingqi (lujingqi@whut.edu.cn)

    DOI:10.3788/LOP56.193002

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology