Results 21 to 30 of about 43,826 (248)

Study on flame fractal characteristics of coal dust explosion at the decompression position of Hartmann tube [PDF]

Scientific Reports
The explosion of coal dust is powerful and has a wide range of spread, which can easily cause mass death and injury. In this paper, the flame microstructure and propagation characteristics of coal dust explosion are recorded by high-speed photography ...
Zemiao Yang, Ke Gao, Yinhui Wang
doaj   +2 more sources

Effects of dust controls on respirable coal mine dust composition and particle sizes: case studies on auxiliary scrubbers and canopy air curtain [PDF]

International Journal of Coal Science & Technology
AbstractControl of dust in underground coal mines is critical for mitigating both safety and health hazards. For decades, the National Institute of Occupational Safety and Health (NIOSH) has led research to evaluate the effectiveness of various dust control technologies in coal mines.
F. Animah, Çiğdem Keleş, W. R. Reed, Emily Sarver   +3 more
openalex   +4 more sources

Prediction of coal dust particle size after spraying dust reduction in roadway based on orthogonal experiment and regression analysis

Meitan kexue jishu
In order to investigate the main factors affecting the effect of spray dust reduction on the particle size of coal dust after spray dust reduction, a quantitative mathematical model was obtained to characterize the quantitative relationship between the ...
Bingyou JIANG, Yuqian ZHANG, Changfei YU, Ben JI, Haoyu WANG, Zhuang LIU   +5 more
doaj   +2 more sources

(80)Particle Size Distribution of the Coal-dust in the Winkler's Producer Gas

The Journal of the Society of Chemical Industry, Japan, 1951
Isamu Sano, Yoshiyasu Fuiitani, Shikazi Tsuda   +2 more
openalex   +3 more sources

Effect of coal dust parameters on gas-coal dust explosions in pipe networks

Geomatics, Natural Hazards & Risk, 2022
To study the effects of coal dust particle size and mass of coal dust on gas-coal dust hybrid explosions, we conducted sedimentary gas-coal dust explosion experiments using a pipe network system that included multiple components and individual ...
Jia Jinzhang, Wang Fengxiao, Li Jie
doaj   +1 more source

Retracted: Effect of coal dust parameters on gas‐coal dust explosions in pipe networks

Energy Science & Engineering, 2022
To study the effects of particle size of coal dust and mass concentration of coal dust on gas‐coal dust explosions, we conducted sedimentary gas‐coal dust explosion experiments using a pipe network system that included multiple components and individual ...
Jia Jinzhang, Wang Fengxiao, Li Jie, Zhu Jinchao, Chen Yinuo   +4 more
doaj   +1 more source

Numerical simulation of pulverized coal migration law in air directional drilling in broken soft coal seam

Meikuang Anquan, 2022
In order to study the effect of particle size and air volume on the deposition, migration and distribution law of pulverized coal in the annulus of drill pipe and hole wall, the Euler-Euler model is used to numerically simulate the gas-solid two-phase ...
NIE Chao, WANG Yi, YAO Yafeng
doaj   +1 more source

The level of air pollution in the impact zone of coal-fired power plant (Karaganda City) using the data of geochemical snow survey (Republic of Kazakhstan) [PDF]

, 2005
Coal-fired power plants emissions impact the air quality and human health. Of great significance is assessment of solid airborne particles emissions from those plants and distance of their transportation. The article presents the results of air pollution
T E Adil'bayeva, A V Talovskaya, Ye G Yazikov, I A Matveenko, Miler Miloš, Elik Adil, Geophys J Res, Bowen H J M, Carpi A, Seinfeld JH, Magiera T, Senior C L, Dai S, Talovskaya A V, Saet Yu E, Belyaev S P, Talovskaya A V, Vasilenko V N   +17 more
core   +2 more sources

Explosive Conditions and Products Analysis of Different Particle Sizes Fat Coal and Its Explosive Residue

Meikuang Anquan, 2020
Various particle sizes and its explosive residues were tested using 20 L spherical explosive device, and the effect of particle size on the explosive conditions and explosive products of coal dust and solid residues was analyzed under different coal ...
LIU Zhentang, ZHOU Xifang, LI Xiaoliang, HONG Sen, LIN Song, QIAN Jifa
doaj   +1 more source

Modelling Coal Dust Explosibility of Khyber Pakhtunkhwa Coal Using Random Forest Algorithm

Energies, 2022
Coal dust explosion constitutes a significant hazard in underground coal mines, coal power plants and other industries utilising coal as fuel. Knowledge of the explosion mechanism and the factors causing coal explosions is essential to investigate for ...
Amad Ullah Khan, Saad Salman, Khan Muhammad, Mudassar Habib   +3 more
doaj   +1 more source