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A new method for coal and gas outburst prediction and prevention based on the fragmentation of ejected coal
C Zhang, E Wang, J Xu, S Peng - Fuel, 2021 - Elsevier
Coal and gas outbursts are among the most serious disasters affecting the safety of coal
mines, with 39 deaths reported during 2019 in China. The cause of outbursts is fairly …
mines, with 39 deaths reported during 2019 in China. The cause of outbursts is fairly …
Influence of desorption hysteresis effects on coalbed methane migration and production based on dual-porosity medium model incorporating hysteresis pressure
Desorption hysteresis affects gas mass transfer and migration in coal seams, which is not
considered in current dual-porosity medium models, leading to inaccurate assessment and …
considered in current dual-porosity medium models, leading to inaccurate assessment and …
Mechanism of desorption hysteresis in coalbed methane: Insights from microscopic pore properties and adsorption theory
Desorption hysteresis, a phenomenon frequently observed in coal–methane desorption
experiments, holds significant implications for coalbed methane extraction due to its …
experiments, holds significant implications for coalbed methane extraction due to its …
Using stress path-dependent permeability law to evaluate permeability enhancement and coalbed methane flow in protected coal seam: a case study
Pressure-relief mining is the primary method to remove gas and coal outbursts and realize
coal and gas simultaneous extraction in deep, high-gas, and low-permeability coal seams …
coal and gas simultaneous extraction in deep, high-gas, and low-permeability coal seams …
Modeling of diffusion kinetics during gas adsorption in a coal seam with a dimensionless inversion method
Modeling gas diffusion kinetics in a coal seam plays an essential role in predicting
performance of both coalbed methane production and its enhanced recovery. Throughout …
performance of both coalbed methane production and its enhanced recovery. Throughout …
In-situ testing method of the permeability coefficient in a coal seam based on the finite volume method and its application
The permeability coefficient in a coal seam is an important index to evaluate the efficiency of
gas drainage. Accurately testing the permeability coefficient is of great significance for gas …
gas drainage. Accurately testing the permeability coefficient is of great significance for gas …
A novel bidisperse diffusion model for coal particles considering micropores as the major sites of CH4 adsorption
Pores in coal have the characteristic of double peaks, and the bidisperse diffusion model is
an effective method to describe the diffusion behavior in coal. At present, the traditional …
an effective method to describe the diffusion behavior in coal. At present, the traditional …
Experimental study on gas emission under pressure from the coal matrix: Understanding gas transport patterns from an engineering scale
Gas transport within the coal matrix is key to realizing mass exchange between the fracture
and matrix systems. However, considerable controversy remains regarding gas transport …
and matrix systems. However, considerable controversy remains regarding gas transport …
A new coal seam seepage parameter prediction method based on gas pressure recovery curve for adjacent aquifer environment
Gas extraction is the primary approach for safe and efficient coal mining, its final effect
depending on the coal seam seepage parameters (coal seam gas pressure and …
depending on the coal seam seepage parameters (coal seam gas pressure and …
[HTML][HTML] Optimal depth of in-situ pressure-preserved coring in coal seams considering roadway excavation and drilling disturbance
Using pressure-preserved coring technique to determine in-situ gas content provides a more
precise assessment of gas resource reserves and safeguard of mining safety in coal seams …
precise assessment of gas resource reserves and safeguard of mining safety in coal seams …