Results 31 to 40 of about 632,462 (160)

Study of Parameters and Theory of Sucrose Dust Explosion [PDF]

open access: yes, 2022
To investigate the parameters of sucrose dust explosion, the minimum ignition energy (MIE) and minimum ignition temperature (MIT) were evaluated. The experiments tested the MIE of sucrose dust under different conditions of dust quantity, ignition delay ...
Jiang, Juju   +13 more
core   +1 more source

Research on Characteristic Parameters of Coal-dust Explosion [PDF]

open access: yes, 2012
The parameters of explosive characteristics of the coal-dust are assessed systematically with the test device of minimum ignition temperature of dust clouds and 20L sphere explosion test units.
Zhang, Jianxin   +5 more
core   +1 more source

Comparative study of the explosion pressure characteristics of micro- and nano-sized coal dust and methane–coal dust mixtures in a pipe

open access: yesInternational Journal of Coal Science & Technology, 2020
Coal dust explosion accidents often cause substantial property damage and casualties and frequently involve nano-sized coal dust. In order to study the impact of nano-sized coal on coal dust and methane–coal dust explosions, a pipe test apparatus was ...
Bo Tan, Huilin Liu, Bin Xu, Tian Wang
doaj   +1 more source

Study on the Characteristics and Influence Factor of Methane and Coal Dust Gas/Solid Two-Phase Mixture Explosions

open access: yesFire, 2023
This research aimed to the characteristics and influence factor of methane and coal dust gas/solid two-phase mixture explosions by experiment. Through comparative analysis of flame propagation characteristics, pressure, flame temperature and products ...
Yue Wang   +3 more
doaj   +1 more source

Effect of Ignition Delay Time on Explosion Characteristics of Methane and Coal Dust Hybrid Mixtures

open access: yesMeikuang Anquan, 2020
To study the effect of coal dust on methane explosion characteristics under different turbulent environments, based on 20 L explosion sphere, the mixed explosion experiments of 0 g/m3, 25 g/m3, 50 g/m3,100 g/m3, 200 g/m3 coal dust and 6.5%, 9.5%, 12 ...
WANG Xiaobin
doaj   +1 more source

Study on effect of oxygen volume fraction on explosion characteristics of silo mixed coal

open access: yesMeikuang Anquan, 2023
To study the effect of oxygen volume fraction on the explosion characteristics of silo coal, an experiment was conducted on the explosion parameters(maximum pressure pmax, maximum pressure rise rate (dp/dt)max , and explosion index Kst ) of mixed coal in
MULATI·Jueraiti   +5 more
doaj   +1 more source

Gas and coal dust explosion perception alarm and explosion source judgment method based on video image

open access: yesGong-kuang zidonghua, 2020
Video image characteristics of gas and coal dust explosion are analyzed: Explosive fireball is usually red with high brightness, high temperature and strong radiation of infrared and ultraviolet rays, and area of the fireballs expands rapidly; Area ...
SUN Jiping, FAN Weiqiang
doaj   +1 more source

Progress, Challenges, and Outlook for Sodium‐Ion Battery Recycling

open access: yesCleanMat, EarlyView.
This review highlights the progress and challenges of sodium‐ion batteries (SIBs) recycling. It introduces the main material systems of SIBs and their degradation, outlines economic, technical, and environmental requirements, and evaluates four major strategies: pretreatment, pyrometallurgy, hydrometallurgy, and direct regeneration.
Yihao Shen   +3 more
wiley   +1 more source

Mechanism and disaster control new technology of strong ground pressure manifestation in ultra‐large mining face

open access: yesDeep Underground Science and Engineering, EarlyView.
In response to the problem of strong mining pressure manifestation along the goaf roadway in a thick coal seam mining area, this study uses a new type of combined blasting roof cutting technology to effectively control the manifestation and deformation of mining pressure along the goaf roadway.
Xiaoding Xu   +6 more
wiley   +1 more source

Dust emission in powder handling: Free falling particle plume characterisation [PDF]

open access: yes, 2009
Dust generation during solids handling, principally from the free falling of bulk materials and their impact on stockpiles, can be a health threat for operators and a cause of dust explosions.
Ansart, Renaud   +2 more
core   +1 more source

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