Zobrazeno 1 - 10
of 89
pro vyhledávání: '"coal containing gas"'
Publikováno v:
Meikuang Anquan, Vol 54, Iss 2, Pp 40-45 (2023)
In order to obtain the energy change rule in coal adsorbing methane process, methane adsorption experiments were carried out with the temperature of 30 ℃, 15 ℃, 0 ℃, -15℃, -30 ℃, -45 ℃ and the initial adsorption pressure of 1 MPa, 1.5 MPa
Externí odkaz:
https://doaj.org/article/324c4c2b78514bcd898429725dc63e0a
Autor:
Deng-ke WANG, Yan WU, Jian-ping WEI, Xiao-long ZHAO, Hong-tu ZHANG, Chuan-qi ZHU, An-ying YUAN
Publikováno v:
工程科学学报, Vol 45, Iss 1, Pp 31-43 (2023)
The expansion evolution law of internal fractures of coal under external load is of great significance to coalbed methane production and to control coal and gas outburst disasters. The coal body is in a three-dimensional (3D) stress state under the a
Externí odkaz:
https://doaj.org/article/5eb8947965e64b2d8c81b9ecb183e3f4
Akademický článek
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Publikováno v:
Meikuang Anquan, Vol 52, Iss 11, Pp 147-153 (2021)
In order to study the influencing factors of crushing efficiency of coal containing gas under submerged jet, the influence of different water jet impact conditions on coal crushing efficiency was studied, and the fluid solid coupling model of water j
Externí odkaz:
https://doaj.org/article/5c9e0078818b4e398e37583acf075861
Autor:
LU Zhanjin, LI Shengzhou
Publikováno v:
Meikuang Anquan, Vol 51, Iss 6, Pp 1-4 (2020)
Based on the thermal fluid solid coupling test system of coal with gas, the permeability and volume strain of briquette samples under different gas pressures are studied. The results show that, with the increase of gas pressure, the peak strength of
Externí odkaz:
https://doaj.org/article/fb32acb0f3b94e908fd542bda26fc087
Publikováno v:
矿业科学学报, Vol 3, Iss 4, Pp 349-355 (2018)
In order to study the law of the relative dielectric constant of coal containing gas, the relative dielectric constant of coal containing gas under different stress and gas pressure is studied by using self-made electrical parameter test system, and
Externí odkaz:
https://doaj.org/article/247f8aef403a4055ac3c510dc4e87979
Publikováno v:
Gong-kuang zidonghua, Vol 42, Iss 7, Pp 25-29 (2016)
A seepage-stress coupling model of coal containing gas was established considering effect of coal permeability changing on gas flow based on coal seam gas flow theory and elastic mechanic. The second development of COMSOL Multiphysics numerical simul
Externí odkaz:
https://doaj.org/article/e26d2a97839640c1adbaf2e4721d96cb
Autor:
NIU Yue, LI Zhonghui, WANG Honghao, WANG Jiali, LIU Shuaijie, YIN Shan, KONG Yanhui, HONG Sen
Publikováno v:
Gong-kuang zidonghua, Vol 42, Iss 6, Pp 37-41 (2016)
An information collection system of coal containing gas under uniaxial compression was built, dates' change of acoustic emission and mechanical parameters while coal samples loaded were tested, and damaged evolution model of coal and rock and charact
Externí odkaz:
https://doaj.org/article/0ff97ae439884fa7a3e863e98360141f
Publikováno v:
Gong-kuang zidonghua, Vol 41, Iss 9, Pp 26-30 (2015)
In order to research influence of gas on surface potential of coal containing gas under cyclic loading, an experimental system about surface potential of coal containing gas under cyclic loading was built. Characteristic laws of surface potential sig
Externí odkaz:
https://doaj.org/article/6b364347a85b4a11bf1197d90ce0b78b
Akademický článek
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