Zobrazeno 1 - 10
of 1 437
pro vyhledávání: '"Coal and gas outburst"'
Publikováno v:
Meikuang Anquan, Vol 55, Iss 11, Pp 77-83 (2024)
Based on the thermo-fluid-solid coupling law of coal and gas outburst in deep mining, a numerical model of coal and gas outburst is established, and the response of multi-physical parameters in the whole process of coal and gas outburst under high st
Externí odkaz:
https://doaj.org/article/2aae8d94c2d14efb8f94040235f9fca4
Publikováno v:
Meikuang Anquan, Vol 55, Iss 11, Pp 41-48 (2024)
Coal and gas outburst is one of the most serious kinetic disasters in coal mines, and the use of gas hydrate curing technology to reduce the gas pressure and its gradient in the coal body can reduce the probability of coal and gas outburst accidents.
Externí odkaz:
https://doaj.org/article/a1a59df3340044e0a26e3112fe32ca81
Autor:
Zhiming YAN, Xinsheng ZHANG, Junsheng ZHANG, Baige YANG, Yunxing CAO, Shumin LI, Runping DONG
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 8, Pp 63-73 (2024)
Coal mine disasters caused by coal and gas outbursts are severe in China. Currently, static and dynamic technologies are mainly used to address the difficult gas control problem. The gas control mechanism of the composite technology of cavity making
Externí odkaz:
https://doaj.org/article/e25db2ca03214e2591530ad8e4b5ecfd
Study on characteristics of coal and gas outburst in Panjiang Mining Area based on Apriori algorithm
Publikováno v:
Meikuang Anquan, Vol 55, Iss 7, Pp 1-8 (2024)
In order to reveal the occurrence law of coal and gas outburst disaster in Panjiang Mining area and improve the targeted work of gas prevention and control, the gas geological parameters of 37 coal and gas outburst accident points in Panjiang Mining
Externí odkaz:
https://doaj.org/article/08c14917183544499458bcbe908ad45a
Autor:
Xiaofei Liu, Zinan Du, Enyuan Wang, Ao Jiang, He Tian, Kaiyuan Wang, Yinghao Xiong, Heng Wang
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-29 (2024)
Abstract Fluctuations in gas emission or concentration at working face represent primary indicators of impending coal and gas outbursts, making them essential for monitoring processes. However, the direct use of original signals for predictive purpos
Externí odkaz:
https://doaj.org/article/fa16d07c01ec432e8a9b19491a00cf3f
Publikováno v:
International Journal of Coal Science & Technology, Vol 11, Iss 1, Pp 1-16 (2024)
Abstract To explore the static pressure dynamic disaster mechanism of coal-and-gas outburst (CGO) fluid, the self-developed multi-field coupling large-scale physical simulation test system of coal mine dynamic disaster was used to carry out gas outbu
Externí odkaz:
https://doaj.org/article/a9f95ffd54774b9c9eda110f0419404c
Autor:
Yongqian LIU, Zhonggang HUO, Hongyan LI, Longyong SHU, Zhongxue SUN, Dong WANG, Xue LIU, Xingwang SHI
Publikováno v:
Meitan xuebao, Vol 49, Iss S1, Pp 327-339 (2024)
A physical mechanics simulation experiment is one of the important technical methods to study the inoculation mechanism and development laws of coal and gas outburst. A new type of coal and gas outburst simulation system has been developed, aiming at
Externí odkaz:
https://doaj.org/article/90e147741df24b0481ef58eb4422db16
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 7, Pp 126-138 (2024)
In China, due to the influence of geological tectonics, the phenomenon of primary structural coal and tectonic coal stratification exists in many coal seams. The existence of tectonic coal leads to a sharp increase in the risk of composite coal seam
Externí odkaz:
https://doaj.org/article/b8dce05173774125a19a48588313a0e8
Publikováno v:
Meitan xuebao, Vol 49, Iss 6, Pp 2691-2710 (2024)
To explore the influence of confining pressure on the macro-meso mechanical characteristics of gas hydrate bearing coal (GHBC) under different boundary conditions, the biaxial discrete element tests were carried out subjected to the confining pressur
Externí odkaz:
https://doaj.org/article/d390e3c584344924b9956e91b949acee
Publikováno v:
Meikuang Anquan, Vol 55, Iss 5, Pp 51-60 (2024)
In order to reveal the evolution law of coal and gas outburst gas-solid particle flow, an analysis method combining field statistical data with numerical simulation data was proposed based on the discrete element numerical simulation method. The deve
Externí odkaz:
https://doaj.org/article/5f656f622bbd4aca837a14ae0de4de23