Zobrazeno 1 - 10
of 65
pro vyhledávání: '"XUEXI CHEN"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract A 3D geometric model is established based on a fluid‒solid coupling model for purpose of identifying the influences of mining disturbances on the distribution of gas pressures in front of a working face during gas extraction. Then, the str
Externí odkaz:
https://doaj.org/article/948124f51f2f47ceafade37361319870
Publikováno v:
Alexandria Engineering Journal, Vol 107, Iss , Pp 583-590 (2024)
In China's coal mine backfill mining projects, certain mines demonstrate an extensive filling distance that exceeds 3000 m. However, there are few researches concerning the theoretical underpinnings for slurry long-distance pipeline transportation. G
Externí odkaz:
https://doaj.org/article/30c1ff7fc0514b609d03918573106aa0
Publikováno v:
ACS Omega, Vol 9, Iss 31, Pp 33510-33521 (2024)
Externí odkaz:
https://doaj.org/article/b181a61cdb9f4c99b3a5f70b49fe1c87
Publikováno v:
Meikuang Anquan, Vol 55, Iss 3, Pp 9-17 (2024)
In order to study the multi-fractal characteristics of micropore pore size of coal with different metamorphic degrees, according to the low temperature liquid nitrogen adsorption test data, the multifractal characteristics of micropores of 4 differen
Externí odkaz:
https://doaj.org/article/0110cc9698914477bf7bec37066b704e
Publikováno v:
Meikuang Anquan, Vol 55, Iss 3, Pp 46-52 (2024)
In order to study the influence of the coal pillar left over from the mining of the protective layer over a long distance on the mining effect of the protected layer, the coal pillar and Ⅳ5-6-22190 working face of the section with a remaining width
Externí odkaz:
https://doaj.org/article/9cf1afaf87d64b68914aa5d213a93393
Autor:
Wenxuan Shan, Xuexi Chen
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 3, Pp 1059-1071 (2024)
Abstract As coal mining depth increases, there is a corresponding increase in both ground stress and gas pressure, leading to a higher incidence of coal and gas outburst accidents. To investigate the stress distribution law and gas release degree of
Externí odkaz:
https://doaj.org/article/57a431f9bf4b40f99b59952e85107d6d
Numerical simulation of coal breaking characteristics by continuous water jet based on ALE algorithm
Publikováno v:
Meikuang Anquan, Vol 55, Iss 1, Pp 14-21 (2024)
In order to explore the influence of environmental media on the characteristics of water jet coal breaking, ALE algorithm and LS-Dyna software are used to carry out numerical simulation of continuous water jet impact coal breaking and the characteris
Externí odkaz:
https://doaj.org/article/f6cdab8fa7ed45a5b026101f1f8c40dc
Publikováno v:
ACS Omega, Vol 8, Iss 42, Pp 39154-39167 (2023)
Externí odkaz:
https://doaj.org/article/302c23c3ef0d4a3792a9956f90a408f9
Publikováno v:
Fractal and Fractional, Vol 7, Iss 6, p 439 (2023)
As a non-homogeneous porous medium, the structural complexity of coal directly affects pore structure parameters and gas percolation characteristics, which in turn determine the fractal dimension of coal samples. Among them, the specific surface area
Externí odkaz:
https://doaj.org/article/3450d81155b8456bbf5a27ed00af820d
Autor:
Jinsui Wu, Min Xing, Shangxian Yin, Ciyuan Zhang, Xuexi Chen, Sihai Yi, Huiqing Lian, Dongyu Xie
Publikováno v:
Geofluids, Vol 2022 (2022)
The sandstone microstructure and permeability are important parameters for quantitative evaluation of groundwater/oil/gas resources and prediction of flow rates of water/oil/gas. In this study, we applied seven low-permeability sandstone samples obta
Externí odkaz:
https://doaj.org/article/c3045e9d2f5f4f908abd96a789d0bc7b