IDEAS home Printed from https://ideas.repec.org/a/gam/jsusta/v16y2024i17p7786-d1473109.html
   My bibliography  Save this article

Influence of Long Pressure and Short Suction Ventilation Parameters on Air Flow Field and Dust Migration in Driving Face

Author

Listed:
  • Yuannan Zheng

    (State Key Laboratory for Safe Mining of Deep Coal Resources and Environment Protection, Huainan 232000, China
    Joint National–Local Engineering Research Centre for Safe and Precise Coal Mining, Huainan 232001, China)

  • Bo Ren

    (State Key Laboratory for Safe Mining of Deep Coal Resources and Environment Protection, Huainan 232000, China)

  • Guofeng Yu

    (State Key Laboratory for Safe Mining of Deep Coal Resources and Environment Protection, Huainan 232000, China)

Abstract

A combination of similar tests and numerical simulation was used to study the distribution of the air flow field and the dust field in the driving face under the conditions of long pressure and short suction ventilation. The results show that the air flow field is divided into return, jet, and vortex zones. When the distance (L) is 1.6 m, the wind speed (V a ) is 8 m/s, and the ratio of pumped air volume to pressure air volume (Q) is 0.8, the total and exhaled dust concentration (T d , R d , T p , and R p ) at the driver’s and pedestrian’s position were the lowest. According to the grey correlation analysis, the importance of factors affecting T d and T p is ranked as L > V a > Q, R d is ranked as V a > L > Q, and R p is as follows: V a > Q > L. The increase in V a and the decrease in L have a significant effect on the expulsion of exhaled dust.

Suggested Citation

  • Yuannan Zheng & Bo Ren & Guofeng Yu, 2024. "Influence of Long Pressure and Short Suction Ventilation Parameters on Air Flow Field and Dust Migration in Driving Face," Sustainability, MDPI, vol. 16(17), pages 1-21, September.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:17:p:7786-:d:1473109
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/2071-1050/16/17/7786/pdf
    Download Restriction: no
    File URL: https://www.mdpi.com/2071-1050/16/17/7786/
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Jiang, Bingyou & Ji, Ben & Yuan, Liang & Yu, Chang-Fei & Tao, Wenhan & Zhou, Yu & Wang, Haoyu & Wang, Xiao-Han & Liao, Maolin, 2023. "Experimental and molecular dynamics simulation study of the ionic liquids’ chain-length on wetting of bituminous coal," Energy, Elsevier, vol. 283(C).
    2. Nie, Wen & Jiang, Chenwang & Liu, Qiang & Guo, Lidian & Hua, Yun & Zhang, Haonan & Jiang, Bingyou & Zhu, Zilian, 2024. "Study of highly efficient control and dust removal system for double-tunnel boring processes in coal mines," Energy, Elsevier, vol. 289(C).
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Jiang, Bingyou & Zheng, Haotian & Zheng, Yuannan & Wang, Haoyu & Lin, Hanyi & Wang, Yifan & Pan, Gaochao, 2024. "The effect of cutting speed on the generation of bituminous coal dust: Experimental and theoretical discussion," Energy, Elsevier, vol. 312(C).
    2. Guo, Yi & Tang, Yuming & Wang, Lingzi & Wang, Yuli & Peng, Xueyuan, 2024. "Optimal design of operating frequency for the ionic liquid compressor applied in hydrogen storage," Renewable Energy, Elsevier, vol. 237(PB).
    3. Zhang, Yi & Jiang, Bingyou & Zhao, Yang & Zheng, Yuannan & Wang, Shiju & Wang, Xiao-Han & Lu, Kunlun & Ren, Bo & Nie, Wen & Yu, Haiming & Liu, Zhuang & Xu, Shuo, 2024. "Synergistic effect of surfactants and nanoparticles on the wettability of coal: An experimental and simulation study," Energy, Elsevier, vol. 295(C).
    4. Jiang, Bingyou & Liu, Zhuang & Zhao, Yang & Zhang, Xiaoyi & Wang, Xiao-Han & Ji, Ben & Zhang, Yi & Huang, Jinshan, 2024. "Development of an eco-friendly dust suppressant based on modified pectin: experimental and theoretical investigations," Energy, Elsevier, vol. 289(C).
    5. Zhou, Banghao & Zhou, Qun & Yang, Kai & Xin, Haihui & Ran, Mei & Hou, Jin & Deng, Zhipeng & Qin, Botao, 2024. "Research on the wetting interface characteristics between water molecules and bituminous coal based on pore evolution and molecular dynamic theory," Energy, Elsevier, vol. 297(C).
    6. Nie, Wen & Cai, Yuankun & Wang, Luyao & Liu, Qiang & Jiang, Chenwang & Hua, Yun & Cheng, Chuanxing & Zhang, Haonan, 2024. "Coupled diffusion law of windflow-gas-dust in tunnel energy extraction processes and the location of optimal pollution control exhaust duct," Energy, Elsevier, vol. 304(C).
    7. Cheng, Chuanxing & Liu, Qiang & Hua, Yun & Guo, Lidian & Zhang, Haonan & Zhu, Zilian & Nie, Wen, 2024. "Analysis of a double-pressure double-extraction (DPDE) control dust removal system and optimal installation position of an air curtain generator," Energy, Elsevier, vol. 313(C).
    8. Wang, Haoyu & Jiang, Bingyou & Lin, Hanyi & Zheng, Haotian & Wang, Yifan & Ji, Ben & Zhou, Yu, 2024. "Analysis of dust pollution characteristics in the respiratory risk zone of the roadway under multiple factors," Energy, Elsevier, vol. 305(C).
    9. Menéndez, Javier & Sanabria, Mariano & Fernández-Oro, Jesús Manuel & Galdo-Vega, Mónica & Álvarez de Prado, Laura & Bernardo-Sánchez, Antonio, 2024. "Energy consumption and dilution of toxic gases in underground infrastructures: A case study in a railway tunnel under forced ventilation," Energy, Elsevier, vol. 307(C).
    10. Kuang, Yucen & Xie, Wenhao & Wu, Hongyan & Liu, Xiaoqian & Sher, Farooq & Qiu, Shuxing & Dang, Jie & Zhang, Shengfu, 2024. "Molecular structure of coal macerals and thermal response behavior of their chemical bonds obtained by structural characterizations and molecular dynamics simulations," Energy, Elsevier, vol. 301(C).

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jsusta:v:16:y:2024:i:17:p:7786-:d:1473109. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.