Zobrazeno 1 - 10
of 139
pro vyhledávání: '"coal body"'
Publikováno v:
Meikuang Anquan, Vol 55, Iss 11, Pp 101-107 (2024)
In order to study the influence of temperature on the gas seepage law in loose coal bodies in goaf, gas seepage characteristics experiments were conducted on three types of coal samples, namely anthracite, bituminous coal, and lignite, under differen
Externí odkaz:
https://doaj.org/article/1bb8b9db8aa94540bd848622c240c237
Publikováno v:
Meikuang Anquan, Vol 55, Iss 10, Pp 53-63 (2024)
In order to investigate the influence mechanism of temperature on the permeability of loose coal body in the process of spontaneous combustion of residual coal in the gob, the mathematical model of the permeability of coal body under different temper
Externí odkaz:
https://doaj.org/article/9defcfb9690544ccb87345d63735446b
Publikováno v:
Meitan xuebao, Vol 49, Iss S1, Pp 295-303 (2024)
The radial gas seepage flow regime of the coal body around borehole is one of important factors reflecting the seepage movement of extracted gas. In order to investigate the effects of different pore structures and gas pressure on the radial seepage
Externí odkaz:
https://doaj.org/article/b784009f5fdc4342864590bfd6f65e00
Creep-seepage evolution of coal under different temperatures, confining pressures, and gas pressures
Publikováno v:
Meikuang Anquan, Vol 55, Iss 3, Pp 36-45 (2024)
In order to realize the efficient mining of deep coalbed methane, through studying the creep deformation and permeability evolution laws of coal mass under different temperatures, confining pressures and gas pressures, we obtain the coupling relation
Externí odkaz:
https://doaj.org/article/c019f75ff6974ea3a07b6c3fe50480a3
Publikováno v:
Meikuang Anquan, Vol 55, Iss 2, Pp 41-47 (2024)
In order to classify the types of hydraulically fractured coal and rock seam combinations, the No.3 coal seam in Yuwu wellfield of Lu’an Mining area are taken as the research object in this paper, and the lithology and mechanical characteristics of
Externí odkaz:
https://doaj.org/article/270f24fb64cb411cb547f9082f2a40cf
Publikováno v:
矿业科学学报, Vol 9, Iss 1, Pp 66-76 (2024)
In order to investigate permeability and destructive deformation energy evolution of the loaded coal body under different power microwaves, the high-pressure three-dimensional visual mechanics experimental equipment to carry out the triaxial compress
Externí odkaz:
https://doaj.org/article/f325a8a8b4a240d6a957b1b3bd6345c9
Publikováno v:
Meikuang Anquan, Vol 54, Iss 12, Pp 88-96 (2023)
In order to investigate the influence of impact tendency on dynamic fracture characteristics of coal, cyclic loading and unloading tests with variable upper limit and dynamic and static type I dynamic fracture tests are carried out on three types of
Externí odkaz:
https://doaj.org/article/5a27c5c76b8e41a88ca5a745d482ad96
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 10, Pp 142-150 (2023)
Currently, research on the dynamic behavior features of coal and rock masses only considers the influence of original geological processes such as temperature and confining pressure, without considering the impact of cyclic stress generated during co
Externí odkaz:
https://doaj.org/article/8d83deb2884c4468bff5e352c352c7f7
Publikováno v:
Meikuang Anquan, Vol 54, Iss 8, Pp 179-185 (2023)
For the long-term progressive damage of the coal pillar dam body of the underground reservoir under the action of water immersion-periodic stress, taking a mine in Shaanxi Province as the engineering background of the underground reservoir project, t
Externí odkaz:
https://doaj.org/article/0f8c706c3f904e3b8d41a6f6f7cac093
Autor:
WANG Minhua, YAN Yonggan
Publikováno v:
Meikuang Anquan, Vol 54, Iss 7, Pp 59-68 (2023)
At present, physical information neural network has become a new paradigm for numerical calculation of engineering mechanics. It can solve partial differential equations by integrating the physical mechanism of neural network in the case of unlabeled
Externí odkaz:
https://doaj.org/article/571da674b0c34232acf012a934c59d2d