Zobrazeno 1 - 10
of 2 591
pro vyhledávání: '"fluid–solid coupling"'
Publikováno v:
Industrial Lubrication and Tribology, 2024, Vol. 76, Issue 9, pp. 1058-1067.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/ILT-04-2024-0149
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:
Underground Space, Vol 19, Iss , Pp 87-100 (2024)
Micro-disturbance grouting is a recovery technique to reduce the excessive deformation of operational shield tunnels in urban areas. The grout mass behaves as a fluid in the ground before hardening to form a grout–soil mixture, which highlights the
Externí odkaz:
https://doaj.org/article/10b4815abec848c6add4e48889cae0c2
Numerical simulation analysis of effect of borehole gas extraction under fluid‐structure interaction
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 11, Pp 5185-5199 (2024)
Abstract To study the effect of coal pressure on gas extraction under fluid‐solid coupling, the effect of gas extraction radius under different pore sizes and treatment methods was simulated by using COMSOL Multiphysics software, the time evolution
Externí odkaz:
https://doaj.org/article/f5f8f34989ad452c946c13184998de3e
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 155-167 (2024)
The purging plug is essential for enhancing production efficiency in molten steel refining, yet it faces challenges related to structural integrity due to its lifespan often not aligning with the ladle's repair cycle. This study introduces a novel co
Externí odkaz:
https://doaj.org/article/45c4dae78c2345dc876c5e86abe0db37
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract To enhance the impact resistance of hydraulic columns, a theoretical analysis method was employed to develop a dynamic characteristic analysis model for conventional columns under impact loads. This model facilitated the derivation of key pa
Externí odkaz:
https://doaj.org/article/c5cd2b90285e4f3e9019f1bb66571cc7
Autor:
Junmin WU
Publikováno v:
Meikuang Anquan, Vol 55, Iss 8, Pp 159-166 (2024)
Coal mine underground reservoir water storage technology has become one of the important ways for the coordinated development of coal resource mining and water resource protection in western mining areas of China, and the stability of coal pillar dam
Externí odkaz:
https://doaj.org/article/e26a4b5641314e0d9b3833bb929c6df7
Autor:
XIE Jun
Publikováno v:
矿业科学学报, Vol 9, Iss 4, Pp 529-537 (2024)
The large quarry face with a strike length of 3 300 m in Sijiazhuang Mine features high gas reserve, large gas outflow and its upper corner is easy to exceed the limit.This study adopts the gas management technology of extracting the gas from the coa
Externí odkaz:
https://doaj.org/article/104abd40c5924106a1be001dbd09ef41
Autor:
Zhixin WANG
Publikováno v:
Meikuang Anquan, Vol 55, Iss 7, Pp 51-58 (2024)
During the process of coal seam water injection, the coupling effect of stress and water pressure causes deformation of the coal, which affects the seepage. To explore the evolution law of the volume strain and permeability characteristics of coal du
Externí odkaz:
https://doaj.org/article/7e782733906c489694a8aa00ddf2ac46
Autor:
Yu Li, Shilei Li, Xiaobo Du, Haijun Qu, Jianping Wang, Pingyan Bian, Haiguang Zhang, Shuisheng Chen
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract Coaxial nozzles are widely used to produce fibers with core–shell structures. However, conventional coaxial nozzles cannot adjust the coaxiality of the inner and outer needles in real-time during the fiber production process, resulting in
Externí odkaz:
https://doaj.org/article/4c031db6103a48ca9c7c6746b54f682a