Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Xiangjie Qin"'
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 4, Pp 1127-1139 (2024)
Multiphase flow in low permeability porous media is involved in numerous energy and environmental applications. However, a complete description of this process is challenging due to the limited modeling scale and the effects of complex pore structure
Externí odkaz:
https://doaj.org/article/8239f83d3478489aae122bbfd497c7db
Autor:
Haoen Sun, Zaiqiang Gong, Xiangjie Qin, Wenhao Shen, Haiqin Ma, Qiuhong Pan, Chengguo Tong, Cheng Yuan
Publikováno v:
Sensors, Vol 24, Iss 17, p 5621 (2024)
This article presents a long-period fiber-grating sensor based on a congruent quasi-helical structure (CQH-LPFG) with the two-parameter measurement of both temperature and curvature. The CQH-LPFG sensor was manufactured using a high-frequency CO2 las
Externí odkaz:
https://doaj.org/article/54d6ecbe852e4cfc824c84082082a6f5
Publikováno v:
International Journal of Mining Science and Technology, Vol 33, Iss 5, Pp 573-584 (2023)
Permeability is a key parameter for coalbed methane development. Although the absolute permeability of coal has been extensively studied, wettability and pore structure properties continue to challenge the microscopic description of water-gas flow in
Externí odkaz:
https://doaj.org/article/122713b605754372bfb54fafced51385
Publikováno v:
International Journal of Mining Science and Technology, Vol 31, Iss 2, Pp 175-185 (2021)
To study the seepage and deformation characteristics of coal at high temperatures, coal samples from six different regions were selected and subjected to computed tomography (CT) scanning studies. In conjunction with ANSYS software, 3D reconstruction
Externí odkaz:
https://doaj.org/article/2128fc0e635343408f13f4f0704f3be9
Publikováno v:
Energy & Fuels. 36:7519-7530
Publikováno v:
International Journal of Mining Science and Technology, Vol 31, Iss 2, Pp 175-185 (2021)
To study the seepage and deformation characteristics of coal at high temperatures, coal samples from six different regions were selected and subjected to computed tomography (CT) scanning studies. In conjunction with ANSYS software, 3D reconstruction
Publikováno v:
E3S Web of Conferences, Vol 303, p 01004 (2021)
CT scanning technology has been widely used in the observation of coal microstructures because of its advantages of non-destructive and refined visualization. In this study, the post-processing methods (image processing, 3D reconstruction, numerical
Publikováno v:
Journal of Natural Gas Science and Engineering. 91:103906
The distribution of pore-fracture structure in coal directly affects the storage and migration characteristics of fluids. Simultaneously, under the condition of high buried depth, the coal structure is further changed by the temperature-pressure coup
Publikováno v:
Fuel. 281:118735
The pore structure and seepage characteristics of coal are of great significance to the study of seepage effect of coal seam water injection. Because the current methods for comprehensively characterizing the pore structure and seepage effect of coal
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 570:042039
China’s coal-mining industry has developed from shallow mining to deep mining. Consequently, coal under unloading conditions is becoming increasingly complicated. In this study, seepage experiments are conducted for different minimum principal stre