Sound Recognition Method of Coal Mine Gas and Coal Dust Explosion Based on GoogLeNet [PDF]
Entropy, 2023 To solve the problems of backward means of coal mine gas and coal dust explosion monitoring, late reporting, and low leakage rate, a sound recognition method of coal mine gas and coal dust explosion based on GoogLeNet was proposed.
Xingchen Yu, Xiaowei Li
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Variation and Prediction Methods of the Explosion Characteristic Parameters of Coal Dust/Gas Mixtures [PDF]
Energies, 2021 In order to investigate the change law of the explosion characteristic parameters of hybrid mixture of coal dust and gas, and then establish an effective prediction method of these parameters, the maximum explosion pressure, explosion index, and lower ...
Yingquan Qi +5 more
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Numerical simulation study of the effect of coal dust on gas explosion overpressure [PDF]
Scientific ReportsA numerical simulation study was conducted using Ansys Fluent 2023 R1 simulation software to investigate the influence of coal dust on the overpressure of gas explosion. The results demonstrated that the reliability of the selected mathematical model was
Yingxiang Fang +3 more
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Study on the Explosion Mechanism of Low-Concentration Gas and Coal Dust
FireIn coal mines, the mixture of coal dust and gas is more ignitable than gas alone, posing a high explosion risk to workers. Using the explosion tube, this study examines the explosion propagation characteristics and flame temperature of low-concentration ...
Li Liu +4 more
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Assessment of gas and dust explosion in coal mines by means of fuzzy fault tree analysis
International Journal of Mining Science and Technology, 2018 During the past decade, coal dust and gas explosions have been the most two serious types of disasters in China, threatening the lives of miners and causing significant losses in terms of national property. In this paper, an evaluation model of coal dust
Shulei Shi, Bingyou Jiang, Xiangrui Meng
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Retracted: Effect of coal dust parameters on gas‐coal dust explosions in pipe networks
Energy Science & Engineering, 2022 To study the effects of particle size of coal dust and mass concentration of coal dust on gas‐coal dust explosions, we conducted sedimentary gas‐coal dust explosion experiments using a pipe network system that included multiple components and individual ...
Jia Jinzhang +4 more
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Experimental Study on the Influence of Different Coal Species on Gas and Coal Dust Explosion
Meikuang Anquan, 2020 To further explore the propagation law of gas coal dust explosion with different coal species involved, 3 kinds of representative coal dust were tested in a self-made semi-enclosed pipe, and the flame propagation speed, flame surface luminescence ...
JING Guoxun, SHAO Hongyuan, WU Yulou, GUO Shaoshuai, LIU Chuang, ZHANG Shengqi
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Sound Identification Method for Gas and Coal Dust Explosions Based on MLP
Entropy, 2023 To solve the problems of backward gas and coal dust explosion alarm technology and single monitoring means in coal mines, and to improve the accuracy of gas and coal dust explosion identification in coal mines, a sound identification method for gas and ...
Xingchen Yu, Xiaowei Li
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Analysis of combustion duration and residual gas in secondary explosion of coal dust
Gong-kuang zidonghua, 2018 Secondary explosion experiments of coal dust were carried out by use of 20 L spherical explosion device under the conditions of different coal dust concentration, particle size and ignition energy separately, and influence of coal dust concentration ...
LI Xiaoliang +4 more
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Characterization of explosion propagation of coal dust deposited by gas explosion convolutions in closed pipelines [PDF]
Meitan xuebaoTo explore the propagation characteristics of gas explosion-induced coal dust detonations in enclosed pipelines, a custom-developed experimental system was employed for gas explosions involving accumulated coal dust.
Bingyou JIANG +6 more
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