Zobrazeno 1 - 10
of 400
pro vyhledávání: '"Underground coal mining"'
Publikováno v:
工程科学学报, Vol 46, Iss 10, Pp 1713-1727 (2024)
Efficient coal mining is essential for ensuring China’s energy security, and the advancement toward intelligent coal mining represents a strategic move to foster high-quality development within the coal industry. The cornerstone of realizing intell
Externí odkaz:
https://doaj.org/article/d5d569764d404d88ad45cc38f4538d53
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 6, Pp 2435-2455 (2024)
Abstract The gases released by underground coal mining pose a threat to mine safety, lead to resource wastage, and contribute to environmental pollution. Employing long horizontal boreholes (LHB) for gas extraction proves to be an effective solution.
Externí odkaz:
https://doaj.org/article/31acdfaef09b474cae2bf3334dfe8939
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract Based on the 7618 working face in Yaoqiao coal mine of Datun mining area, the activation mechanism of water-rich faults and the development characteristics of water-conducting fractures in overlying strata under the influence of faults are s
Externí odkaz:
https://doaj.org/article/58aece2380e34adaae0dc52f64fb4a6a
Publikováno v:
International Journal of Coal Science & Technology, Vol 11, Iss 1, Pp 1-11 (2024)
Abstract One of the most dangerous safety hazard in underground coal mines is roof falls during retreat mining. Roof falls may cause life-threatening and non-fatal injuries to miners and impede mining and transportation operations. As a result, a rel
Externí odkaz:
https://doaj.org/article/f291ff9ad2f24c63946ec47ff3a98131
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 7737 (2024)
Determining the advanced mining influence range of an underground working face is crucial for preventing dynamic disasters, such as coal bursts and gas outbursts. In this study, the occurrence of advanced seismicity before the working face as well as
Externí odkaz:
https://doaj.org/article/7d1691f0d0bb4e97ae883b721b9c8008
Autor:
Austin F. Oltmanns, Andrew J. Petruska
Publikováno v:
Sensors, Vol 24, Iss 13, p 4238 (2024)
In underground coal mining, machine operators put themselves at risk when getting close to the machine or cutting face to observe the process. To improve the safety and efficiency of machine operators, a cutting force sensor is proposed. A linear cut
Externí odkaz:
https://doaj.org/article/e7f55af052c64f73887bba81bfa6845d
Publikováno v:
Applied Sciences, Vol 14, Iss 3, p 1116 (2024)
This paper presents a novel methodology for deploying wireless sensor nodes in the Industrial Internet of Things (IIoT) to address the safety and efficiency challenges in underground coal mining. The methodology is intended to support long-term plann
Externí odkaz:
https://doaj.org/article/8cb74da426ff4a0ba84fee38c4519dc0
Publikováno v:
Remote Sensing, Vol 16, Iss 2, p 377 (2024)
Underground coal-mining-induced ground subsidence deformation is a common geological disaster impacting buildings, transportation and water supplies. Models predicting ground subsidence dynamically with high precision are important for the prevention
Externí odkaz:
https://doaj.org/article/d17c62580dea4f2889177a239dd3ce70