Gong-kuang zidonghua, 2018 In order to improve quality of underground wireless communication and ensure effective communication, influence of underground coal dust concentration and humidity on electromagnetic wave transmission was researched.
ZHAO Shiping, SUN Xiuling, KAN Xiaoting
doaj +2 more sources
Field Measurement of Dust Concentration on Open-pit Coal Mine Truck Transportation Roads and Numerical Simulation of Dust Patterns [PDF]
E3S Web of ConferencesDust generated by open-pit coal truck transportation is one of the main sources of pollution, adversely affecting road visibility and the surrounding air quality during transportation operations. To investigate the distribution patterns of transport dust
Liu Cheng, Zou Chenglong, Li Yihe
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Characterization of explosion propagation of coal dust deposited by gas explosion convolutions in closed pipelines [PDF]
Meitan xuebaoTo explore the propagation characteristics of gas explosion-induced coal dust detonations in enclosed pipelines, a custom-developed experimental system was employed for gas explosions involving accumulated coal dust.
Bingyou JIANG +6 more
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Research on secondary explosion characteristic of coal dust
Gong-kuang zidonghua, 2018 Influence of concentration, particle size and ignition energy of coal dust on secondary explosion characteristic of coal dust were studied by use of 20 L spherical explosion device, and the secondary explosion characteristic of coal dust was compared ...
LIU Haoxiong +5 more
doaj +2 more sources
Characterization and Concentration Prediction of Dust Pollution in Open-Pit Coal Mines
AtmosphereDust pollution is a major problem formed caused by opencast coal mining, and its prevention is a key prerequisite for the realization of green and climate-friendly mining in open-pit coal mines.
Guilin Wang +4 more
doaj +2 more sources
Discussion on Monitoring Technology of Coal Mine Dust
Gong-kuang zidonghua, 2011 The paper analyzed harm and characteristics of coal mine dust and standard of contact concentration of respiratory coal dust in air of working space, introduced developing status of monitoring technology of coal mine dust, and compared characteristics of
LI Dong-xiao
doaj +1 more source
Chemistry and particle size distribution of respirable coal dust in underground mines in Central Eastern Europe [PDF]
, 2022 This is the final version. Available on open access from Springer via the DOI in this recordDespite international efforts to limit worker exposure to coal dust, it continues to impact the health of thousands of miners across Europe.
Trechera, Pedro +13 more
core +1 more source
Pulverised coal combustion in high CO2‚ oxygen-rich environments [PDF]
, 2007 Experiments on pulverised coal combustion in air and 02/C02 mixtures of various molar ratios, were conducted in a 20 kW-rated, down-fired furnace equipped with a single pulverised fuel (pt) burner, which was designed for the laboratory-scale experimental
Zailini, Ramlan
core +6 more sources
High Prevalence of Respiratory Symptoms Among Workers in the Development Section of a Manually Operated Coal Mine in a Developing Country: A Cross Sectional Study. [PDF]
, 2007 Few studies of miners have been carried out in African countries; most are from South Africa, where the working conditions are assumed to be better than in the rest of Africa.
Mamuya, Simon H D +9 more
core +1 more source
Meikuang Anquan, 2021 By using the fluid dynamics software FLUENT, the 3D numerical simulations of the concentration distribution and motion law of the respirable dust in 22410 fully mechanized mining face of Shendong Halagou Coal Mine were carried out by the two-phase ...
XIANG Xiaogang +5 more
doaj +1 more source