Influence of Gas from Long-Flame Coal Spontaneous Combustion on Gas Explosion Limit [PDF]
To investigate the impact of multiple combustible gases produced by long-flame coal spontaneous combustion on the gas explosion limit and to guide the reoperation of the coal mine goaf and fire area, the influence of gas generated by coal spontaneous ...
Haitao Wang, Yongli Liu, Qiyuan Shan
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Structural design and performance research of explosion venting door in enclosed fire zone
Aiming at the shortcomings of the current coal mine explosion venting devices, a new explosion venting door is designed, and its structure, explosion venting mechanism and beneficial efficiency enhancement are discussed.
LI Ang, PENG Rui, SI Junhong, ZHOU Xihua
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Study on evolution mechanism of unsteady transient pressure drop caused by gas phase cracking
The dynamic evolution mechanism of gas explosion pressure drop is the basis of theoretical and field application research of point type gas fracturing coal seam permeability increasing technology.
LEI Yun +3 more
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Maximizing the Safety Production of Energo Gas - Determination of Explosion Characteristics [PDF]
The article is focused on the determination of explosion characteristics of energo gas produced from an industrial scale, biomass gasifier. The results underline that the composition of energo gas from industrial technology has a significant impact on ...
Skřínský Jan, Koloničný Jan
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Analysis of the Characteristics and Influencing Factors of Gas Explosion in Heading Face
In order to accurately grasp the characteristics and influencing factors of gas explosion in heading face, the mathematical model of gas explosion was determined.
Xue-bo Zhang +3 more
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Propagation laws of discontinuous gas supply in the excavation roadway.
An explosion with a discontinuous gas supply (DGS-explosion) is more complicated than a common secondary explosion. We present the results of a study on the propagation laws of the DGS-explosion induced by a gas explosion in excavation roadways.
Ke Gao +3 more
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Analysis of the effect mechanism of water and CH4 concentration on gas explosion in confined space
In order to study the effect of water and CH4 concentration on gas explosion, a 20L spherical explosive device was used to carry out a water-containing gas explosion experiment, and the explosion simulation was carried out with CHEMKIN-PRO, the mechanism
Xiangchun Li +5 more
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Risk evaluation method of coal mine gas explosion based on ISM-BN and its application
In order to effectively assess the risk of gas explosion in coal mines, a gas explosion risk assessment method based on ISM-BN is proposed. Firstly, 65 typical gas explosion accident cases were coded at level 3 using grounded theory, and 13 risk factors
CHENG Lianhua +3 more
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Visual Simulation and Case Inversion of Gas Explosion in Underground Mine
To truly represent the developing changes and spatiotemporal effects of gas explosion in underground mine, this paper discussed the field modeling and visual simulation technology of mine gas explosion.
Qiu Jinwei +5 more
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Analysis of danger source of mine gas explosion based on Petri nets
By analyzing danger source associated with mine gas explosion, the evolution model GEFRPN of gas explosion based on Petri nets was constructed combining Petri nets theory and the evolution of gas explosion, and the conclusion was obtained: from reasoning
YANG Mengmeng, YUAN Mei, XU Shiqing
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