Research on dust dispersion law of fully mechanized mining faces under different inclinations and tracking closed dust control method.

Gang Zhou, Yang Kong, Qunzhi Meng, Bingyou Jiang, Yongwei Liu, Gang Li, Biao Sun, Jinli Wang, Dong Yan, Zhenhua Li

Abstract read

In one paragraph

Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

10 authors.

Gang ZhouCollege of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China.

Yang KongCollege of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China.

Qunzhi MengCollege of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China.

Bingyou JiangKey Laboratory of Industrial Dust Prevention and Control & Occupational Safety and Health, Ministry of Education, Anhui University of Science & Technology, Huainan, 232001, China.

Yongwei LiuCollege of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China.

Gang LiSinosteel Maanshan General Institute of Mining Research Co., Ltd., Maanshan, 243000, China.

Biao SunCollege of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China. sunbiao@sdust.edu.cn.

Jinli WangShanghai Research Institute, China Coal Technology and Engineering Group, Shanghai, 200030, China.

Dong YanShanghai Research Institute, China Coal Technology and Engineering Group, Shanghai, 200030, China.

Zhenhua LiShanghai Research Institute, China Coal Technology and Engineering Group, Shanghai, 200030, China.

Funding

National Key Research and Development Program of China 2017YFC0805202National Natural Science Foundation of China 51774198National Natural Science Foundation of China 51904171National Natural Science Foundation of China 52004150Outstanding Youth Fund Project of Provincial Universities in Shandong Province, China ZR2017JL026Science and Technology Project of Qingdao City 20-3-4-2-nshTaishan Scholars Project Special Funding in Shandong Province, China ts20190935

6 · The paper itself

Abstract

Based on the gas-solid two-phase flow theory, numerical simulation of the dust dispersion law of fully mechanized mining work under different inclination angles and comparative analysis of field-measured data show that with the increase of working face inclination, the inclination of airflow into the unmined zone increases from 25° to 50° and the maximum wind speed increases from 2.16 to 2.25 m/s after the mixing of cutting turbulent wind and system ventilation. Meanwhile, the range of high-concentration dust clusters, suspension time, lateral migration intensity, and deposition zone increase to varying degrees; dust clusters increases from 62.02 to 202.46 m

Identifiers

PMID36198693

DOI10.1038/s41598-022-20606-9

PMCPMC9534870

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.