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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Propagation and attenuation characteristics of shock waves in a gas–coal dust explosion in a diagonal pipeline network [PDF]
Scientific Reports, 2022 In order to obtain the propagation and attenuation characteristics of a shock wave gas–coal dust explosion, a diagonal pipeline network was built to carry out a gas–coal dust explosion experiment.
Jinzhang Jia, Xiuyuan Tian
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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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Effect of coal dust parameters on gas-coal dust explosions in pipe networks
Geomatics, Natural Hazards & Risk, 2022 To study the effects of coal dust particle size and mass of coal dust on gas-coal dust hybrid explosions, we conducted sedimentary gas-coal dust explosion experiments using a pipe network system that included multiple components and individual ...
Jia Jinzhang, Wang Fengxiao, Li Jie
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Gong-kuang zidonghua, 2023 The characteristics of coal mine gas and coal dust explosion are analyzed. The gas concentration changes suddenly. The ambient temperature rises rapidly. The air pressure rises suddenly. It produces fireballs and smoke.
SUN Jiping +3 more
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Sound Recognition Method of Coal Mine Gas and Coal Dust Explosion Based on GoogLeNet
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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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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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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