Modification and enhancement of permeability of coal seam using mined CO2 foam fracturing fluid
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2018.09.028
Abstract: Abstract Fracturing is an effective method for enhancing the permeability of coal seam, whereas CO2 foam fracturing is a new fracturing method having enormous potential. This study focused on the anthracites in Chengzhuang Coal Mine,… read more here.
Keywords: co2 foam; coal; coal sample; foam fracturing ... See more keywords
Research on acoustic emission precursor characteristics of coal sample unloading failure based on discrete wavelet analysis
Sign Up to like & getrecommendations! Published in 2024 at "Scientific Reports"
DOI: 10.1038/s41598-024-83153-5
Abstract: Acoustic emission information can describe the damage degree of rock samples in the process of failure. However, as a discrete non-stationary signal, acoustic emission information is difficult to be effectively processed by conventional methods, while… read more here.
Keywords: coal sample; time; wavelet analysis; acoustic emission ... See more keywords
Uniaxial Compressive Mechanical Behavior of Coals with Different Joint Spacing and Angles: A DEM Numerical Simulation Study
Sign Up to like & getrecommendations! Published in 2025 at "Applied Sciences"
DOI: 10.3390/app15169196
Abstract: Coal rupture in coal mining is prone to cause rockburst dynamic hazards. To investigate the effect of joint structure characteristics on the mechanical behavior and the fracture mechanism of coal sample. In this study, uniaxial… read more here.
Keywords: coal sample; mechanical behavior; coal; uniaxial compressive ... See more keywords