Results 21 to 30 of about 676,557 (290)

Visualized dynamic solution and early warning technology for ventilation network of complex mine

open access: yesGong-kuang zidonghua, 2020
Traditional manual analysis methods of ventilation network or usual ventilation network solution software used in complex mines with large coal-seam dip angle, complex geologic structure and long mining time have problems of large workload, low ...
TAN Guowen
doaj   +1 more source

CENTRIFUGAL VENTILATORS FOR MINES. (ABSTRACT). [PDF]

open access: yesMinutes of the Proceedings of the Institution of Civil Engineers, 1881
n ...
Murgue, D., Bache, A.
openaire   +2 more sources

Research on key technologies of mine intelligent ventilation system

open access: yesMeikuang Anquan, 2023
The realization of intelligent mine ventilation is the main technical means to build intelligent mines. Aiming at the problems of inaccurate adjustment of the ventilation system, low level of intelligence, and early warning information to be reflected ...
ZHANG Fukai   +3 more
doaj   +1 more source

Influence of gas outburst dynamic flow on mine ventilation system

open access: yesAIP Advances, 2021
This study was conducted to analyze the influence of outburst power from coal and gas on mine ventilation systems in order to avoid damage from secondary disasters to mine ventilation systems.
Jingxiao Yu, Zongxiang Li, Wenqing Wang
doaj   +1 more source

Key Technology of Mine Intelligent Ventilation

open access: yesMeikuang Anquan, 2020
This paper puts forward the definition of intelligent ventilation system, analyzes the key technology of intelligent ventilation in coal mines, and studies the accurate acquisition algorithm based on the parameters of mine detection and monitoring ...
SHAO Liangshan, YU Baocai , CHEN Xiaoyong
doaj   +1 more source

From state-of-the-art ventilation to closed loop ventilation

open access: yes, 2022
Recent emphasis on energy load delivered during each ventilatory breath has opened a new insight to reduce harmful ventilatory induced lung injury, but no robust clinical evidence of patient benefit produced yet. Closed loop ventilation is a strategy to
Andreas Schibler   +5 more
core   +1 more source

Study of Coal Mine Ventilation System Optimization based on Ventsim

open access: yesMATEC Web of Conferences, 2016
This article is based on the situation of too large coal mine ventilation resistance in the Majiagou coal mine. According to Majiagou coal mine late production plans, it measures resistance comprehensively, analyses the resistance distributions and the ...
Zhang Jing Gang, Suo Cheng Yu
doaj   +1 more source

Testing a new type of mine brattice and its applications in production units [PDF]

open access: yesE3S Web of Conferences, 2020
The article describes the ventilation schemes of the potash mine production units, in which, due to the action of natural draughts (thermal depressions), as well as the use of portable mine brattice (MB), safety and energy efficiency of mining operations
Nikolaev Aleksandr   +2 more
doaj   +1 more source

Conjugated Heat Transfer Analysis in a Host Rock–Drift System at Deep Underground Mines

open access: yesProceedings, 2018
On behalf of the European Commission, a ‘critical raw materials’ list has been created, including rare materials susceptible of special location and exploitation thereby their importance in the stability of global economy development and current life ...
E. Martínez García, A. Pullung Sasmito
doaj   +1 more source

AutoCAD Based Mine Ventilation Analysis [PDF]

open access: yes, 1999
Mine Vent is a mine ventilation analysis system which runs inside AutoCAD and uses the Penn State and other ventilation simulators. Working from AutoCAD as-mined and projected mine maps, the user picks the node locations and connects them with branches ...
Sartain, Ted, Scheck, Don
core   +1 more source

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