Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Coal deformation"'
Autor:
Yuanping CHENG, Chenghao WANG
Publikováno v:
Meitan xuebao, Vol 49, Iss 2, Pp 645-663 (2024)
Coal and gas outburst is an underground dynamic disaster driven by coal deformation energy and gas expansion energy. Although the comprehensive effect hypothesis of outbursts has been widely recognized, the role of coal deformation energy in outburst
Externí odkaz:
https://doaj.org/article/def11e0a2b644da3bbba74e41a17c122
Publikováno v:
Meikuang Anquan, Vol 55, Iss 1, Pp 22-27 (2024)
This paper aims to establish a model that can reasonably reflect the mechanical properties of coal containing gas under different water content and confining pressure conditions. Firstly, the stress-strain characteristics of coal containing gas under
Externí odkaz:
https://doaj.org/article/1632813b6e494bfb88da4ac0d6cf795f
Akademický článek
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Publikováno v:
Meikuang Anquan, Vol 53, Iss 1, Pp 181-185 (2022)
In order to verify that the deformation of coal body is the superposition of coal matrix adsorption expansion (desorption shrinkage) deformation and effective stress deformation, based on the mechanism of adsorption swelling deformation, the verifica
Externí odkaz:
https://doaj.org/article/d45e3d08b4f345e3a5d512fe99794d3c
Akademický článek
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Akademický článek
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Autor:
ZHANG Jianguo, ZHAI Cheng
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 10, Pp 116-122, 141 (2022)
In order to solve the problem of the high risk of coal and gas outburst in deep coal working face, taking 12090 working face of Shoushan No.1 Coal Mine as the engineering background, the paper analyzes the deformation and stress variation law of coal
Externí odkaz:
https://doaj.org/article/5effcd71ea08491190c159b0fee8b20a
Autor:
Peng Chu, Qingquan Liu, Liang Wang, Ertao Chen, Xiaoxue Liao, Yuanyuan Liu, Wenyi Huang, Yuanping Cheng
Publikováno v:
Energy Science & Engineering, Vol 9, Iss 8, Pp 1180-1201 (2021)
Abstract Coalbed methane (CBM) is an important resource of energy. For CBM recovery, sorption‐induced coal deformation can cause significant reservoir permeability change. Moisture content and coal pore morphology affect the gas adsorption capacity
Externí odkaz:
https://doaj.org/article/da52b0a0e5de40309d4ae8d6f730ba93
Autor:
Haijun Guo, Kai Wang, Yuchen Wu, Hanlu Tang, Jianguo Wu, Lianhe Guan, Chenyang Chang, Chao Xu
Publikováno v:
International Journal of Mining Science and Technology, Vol 31, Iss 3, Pp 451-462 (2021)
The coal strength and deformation properties are key factors affecting safe coal mining and high-efficiency coalbed methane (CBM) development. In this paper, reconstituted coal samples are chosen to investigate the weakening behavior of gas on coal s
Externí odkaz:
https://doaj.org/article/b4a8159631c04575848375be24b006a2
Autor:
Akash Talapatra, Md. Mostafijul Karim
Publikováno v:
Journal of Petroleum Exploration and Production Technology, Vol 10, Iss 5, Pp 1907-1920 (2020)
Abstract Moisture adsorption in the coal seams affects the gas adsorption capacity and can alter the coal deformation and permeability criteria of the coal seam. The effect of dynamic loss of moisture content, both on moisture and gas sorption-induce
Externí odkaz:
https://doaj.org/article/2554b6e2e372472eb4e69eaa364b9a2d