Results 21 to 30 of about 5,070,469 (292)
A Review of Primary Mine Ventilation System Optimization [PDF]
Within the mining industry, a safe and economical mine ventilation system is an essential component of all underground mines. In recent years, research scientists and engineers have explored operations research methods to assist in the design and safe ...
Acu�a, Enrique I., Lowndes, Ian
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Mathematical Modeling of Air Distribution in Mines Considering Different Ventilation Modes
The calculation of air distribution in large mine ventilation networks is usually carried out by numerically solving a system of equations representing Kirchhoff’s circuit laws.
Mikhail Semin, Lev Levin
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Classification of Structural Complexity for Mine Ventilation Networks
The mine ventilation system is most important and technical measure for ensuring safety production in mines. The structural complexity of a mine ventilation network can directly affect the safety and reliability of the underground mining system. Quantitatively justifying the degree of complexity can contribute to providing a deeper understanding of the
Lian-Jiang Wei +4 more
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The diagnosis of resistance variable multifault location (RVMFL) in a mine ventilation system is an essential function of the mine intelligent ventilation system, which is of great significance to mine-safe production. In this paper, a supervised machine
Dong Wang +3 more
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Study of Coal Mine Ventilation System Optimization based on Ventsim
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
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Ventilation projects such as installation of primary fans, refrigeration system, heating systems, and Ventilation of Demand (VOD) system require some simulations to ascertain their benefits and fulfilment of their purpose before the actual financial ...
Halim, Adrianus, +8 more
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Influence of longwall gateroad convergence on the process of mine ventilation network-model tests
Hard coal mines are required to constantly ventilate mine workings to ensure that the air composition is at a certain humidity and temperature level that is comfortable for underground mine workers, especially in deep deposits.
Andrzej Walentek +3 more
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Research on intelligent air volume regulation in mines
At present, most researches on mine air volume regulation are single-branch regulation, which cannot meet the requirement of large air volume of a specific wind branch.
WU Xinzhong1 +3 more
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An Application of Macroscopic Characteristics of a Mine Ventilation Network for Ventilation Control.
In order to control air condition in any specific branch such as coal faces and/or advancing faces in an underground coal mine, the macroscopic characteristics of a complicated mine ventilation network have been investigated, using computer simulation with varying aerodynamic resistances of each branch in the network.Main results of the paper are as ...
TOMINAGA, Yuusaku, UMEKI, Yuuichi
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Ventilation Design Modeling and Optimization for an Underground Bauxite Mine
Underground bauxite mining exploitation is a challenging environment for ventilation. In this paper, such a complex underground ventilation network is modeled in detail using the Ventsim software.
Maria Karagianni, Andreas Benardos
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