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ORIGINAL RESEARCH article

Front. Phys.
Sec. Fluid Dynamics
Volume 12 - 2024 | doi: 10.3389/fphy.2024.1437171

Comparative analysis of the influence of different shapes of shaft section on dust transportation

Provisionally accepted
Jie Liu Jie Liu 1Xuehua Luo Xuehua Luo 1Wanqing Wang Wanqing Wang 2*Liangyun Teng Liangyun Teng 1Chenwei Hao Chenwei Hao 1Fei Cai Fei Cai 1Yi Chen Yi Chen 1
  • 1 Kunming University of Science and Technology, Kunming, Yunnan Province, China
  • 2 Yunnan University of Finance And Economics, Kunming, China

The final, formatted version of the article will be published soon.

    In order to study the influence of roadway section shape on dust transportation, Fluent software was used to simulate the distribution of wind flow field, dust transportation trajectory, and dust quality concentration in roadways with different section shapes. The results of the study show that, the wind speed in the roadway is in the following order from high to low: rectangle > trapezium > three-center arch > semicircular arch. Dust particles of each size rubbed each other after blasting, and there were fewer dust particles with larger sizes in the three-center arch roadway. Both the air supply distance and ventilation air volume have an effect on the dust removal effect: when the air supply distance is 5m and 10m, the three-centered arch has a better dust removal effect; when the air supply distance is 15m and 20m, it is rectangle and trapezium; and when the ventilation air volume is increased, it is three-centered arch. Through the gray correlation analysis, it can be seen that in order to improve the construction environment after blasting in the roadway, the rectangle can be chosen when considering the air supply distance, and the threecentered arch can be chosen when considering the ventilation air volume.

    Keywords: Section shape, Dust transport, numerical simulation, Ventilation parameters, Correlation analysis

    Received: 23 May 2024; Accepted: 27 Aug 2024.

    Copyright: © 2024 Liu, Luo, Wang, Teng, Hao, Cai and Chen. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

    * Correspondence: Wanqing Wang, Yunnan University of Finance And Economics, Kunming, China

    Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.