Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Longyong Shu"'
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 2, Pp 126-134 (2024)
The study of mechanical properties of soft crushed coal is of great significance for roadway support and prediction of coal and gas outburst, but there is a lack of effective equipment for sampling, sample preparation and mechanical properties analys
Externí odkaz:
https://doaj.org/article/887f0278c33e40f3a501181c8233ad6e
Publikováno v:
International Journal of Coal Science & Technology, Vol 10, Iss 1, Pp 1-15 (2023)
Abstract The gas pressure in front area of heading face is essential to dynamically evaluate coal and gas outburst during coal mining. In this work, a novel inversion model of gas pressure in front area of the heading face was established on premise
Externí odkaz:
https://doaj.org/article/5ce2a7d74be248709314e6885e5c0bf2
Publikováno v:
ACS Omega, Vol 8, Iss 41, Pp 38072-38082 (2023)
Externí odkaz:
https://doaj.org/article/28447c29c31749019df257e6269de43d
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 9, Pp 149-159 (2023)
The gas reservoirs co-production in multi-pressure system is one of the important measures to improve the development efficiency of the superposed gas-bearing systems. However, the co-production effect is not ideal due to the special reservoir formin
Externí odkaz:
https://doaj.org/article/2b4d635d006d447c9d165ec0bc9a24dd
Publikováno v:
Energy Science & Engineering, Vol 11, Iss 6, Pp 1886-1905 (2023)
Abstract Coalbed methane extraction promotes energy exploitation and alleviates the greenhouse effect. This study aimed to analyze the technical potential of a high‐pressure gas–liquid two‐phase jet in increasing coalbed permeability and promot
Externí odkaz:
https://doaj.org/article/3a83bfb17f9d4fa181c6e25ef4717ac7
Publikováno v:
Meitan xuebao, Vol 48, Iss 4, Pp 1538-1550 (2023)
The deformation and failure characteristics of coal around gas drainage boreholes in deep soft and low permeability coal seams affect coal seam gas pre-drainage. Based on the condition of non-uniform stress field, the mechanical model of borehole dis
Externí odkaz:
https://doaj.org/article/fcf4e2de33cf47018bb1240b9b382294
Publikováno v:
International Journal of Mining Science and Technology, Vol 33, Iss 2, Pp 155-171 (2023)
Coal and gas outbursts are dynamic disasters in which a large mass of gas and coal suddenly emerges in a mining space within a split second. The interaction between the gas pressure and stress environment is one of the key factors that induce coal an
Externí odkaz:
https://doaj.org/article/34cbbff57e7b4cdab7eb66bbe19e2c06
Publikováno v:
Meitan kexue jishu, Vol 50, Iss 12, Pp 73-82 (2022)
In order to make use of the favorable extraction conditions formed by ground fracturing to carry out the underground borehole replacement extraction in the drainage exhaustion period of ground fracturing wells, and form the advanced treatment of grou
Externí odkaz:
https://doaj.org/article/8d5e2b62e6dc49298b76023f8e2d980a
Publikováno v:
Meitan kexue jishu, Vol 50, Iss 12, Pp 1-13 (2022)
The key to coordinated development of coal mine methane and coal is to coordinate the spatio-temporal relationship between coal mining and coal mine methane development. During the “11th Five-Year Plan” and “13th Five-Year Plan” period, relyi
Externí odkaz:
https://doaj.org/article/f49f317979cb4da78f87ffa1e1499b1a