Ignition energy, explosion flame propagation, and particle movement process of coal dust cloud in vertical Hartmann tube

Liu, Tianqi; Wu, Xingchen

doi:10.1016/j.csite.2024.104677

Case Studies in Thermal Engineering

2024

DOI: 10.1016/j.csite.2024.104677

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Ignition energy, explosion flame propagation, and particle movement process of coal dust cloud in vertical Hartmann tube

Tianqi Liu,

Xingchen Wu

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Cited by 3 publications

References 40 publications

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Multifactorial analysis of the relationship between combustion propagation in solid fuels and the BZ burning class number

Paredes,

Amez,

León

et al. 2025

Biomass and Bioenergy

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Multifactorial analysis of the relationship between combustion propagation in solid fuels and the BZ burning class number

Paredes,

Amez,

León

et al. 2025

Biomass and Bioenergy

View full text Add to dashboard Cite

Study on suppression of bituminous coal explosion by inert powder in cylindrical space

Liu,

2024

Case Studies in Thermal Engineering

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Explosion pressure of industrial titanium powder and its suppression characteristics by explosion suppressants SiO2, K2CO3, and NaHCO3

Liu,

Liu

2024

Sci Rep

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The ignition and explosion risks of industrial metal powder are significantly different from other types of powder, and its explosion suppression deserve attention. In this article, industrial titanium powder explosion is taken as the test object, and its explosion pressure and explosion suppression process are analyzed. The research results show that the mass concentration of powder clouds and ignition delay time have a great impact on the explosion pressure of titanium powder. The optimal concentration of powder cloud mass is 350 g m−3, under this condition, the rate of energy release per unit time is the highest, the maximum pressure of titanium powder explosion is 0.48 MPa. The optimal ignition delay time is 50 ms, changing the ignition delay time actually changes the state of the powder cloud at the ignition moment. The suppression effect can be ranked, and the best suppression agent is NaHCO3, followed by K2CO3, and finally SiO2. Under the effects of isolation, dilution, and cooling, NaHCO3 has the greatest effect on the explosion pressure of titanium powder.

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Ignition energy, explosion flame propagation, and particle movement process of coal dust cloud in vertical Hartmann tube

Cited by 3 publications

References 40 publications

Multifactorial analysis of the relationship between combustion propagation in solid fuels and the BZ burning class number

Multifactorial analysis of the relationship between combustion propagation in solid fuels and the BZ burning class number

Study on suppression of bituminous coal explosion by inert powder in cylindrical space

Explosion pressure of industrial titanium powder and its suppression characteristics by explosion suppressants SiO2, K2CO3, and NaHCO3

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