Results 21 to 30 of about 5,070,469 (292)

A Review of Primary Mine Ventilation System Optimization [PDF]

open access: yes, 2014
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
core   +1 more source

Mathematical Modeling of Air Distribution in Mines Considering Different Ventilation Modes

open access: yesMathematics, 2023
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
doaj   +1 more source

Classification of Structural Complexity for Mine Ventilation Networks

open access: yesComplexity, 2014
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
openaire   +3 more sources

A supervised diagnostic experiment of resistance variable multifault locations in a mine ventilation system

open access: yesScientific Reports, 2023
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
doaj   +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

Calibration of LKAB's Konsuln test mine ventilation model using barometer Pressure-Quantity (PQ) survey

open access: yes, 2021
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
core   +1 more source

Influence of longwall gateroad convergence on the process of mine ventilation network-model tests

open access: yesInternational Journal of Mining Science and Technology, 2019
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
doaj   +1 more source

Research on intelligent air volume regulation in mines

open access: yesGong-kuang zidonghua, 2021
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
doaj   +1 more source

An Application of Macroscopic Characteristics of a Mine Ventilation Network for Ventilation Control.

open access: yesShigen-to-Sozai, 1991
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
openaire   +2 more sources

Ventilation Design Modeling and Optimization for an Underground Bauxite Mine

open access: yesMaterials Proceedings, 2021
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
doaj   +1 more source

Home - About - Disclaimer - Privacy