Progress of research on the effect of non-uniform premixing on hydrogen and methane explosion characteristics

Z Xiu, Z Liu, P Li, M Li, Y Zhao, T Fan, J Yuan - Process Safety and …, 2023 - Elsevier
This study attempted to systematically understand the research results on the explosion
disaster effects of premixed hydrogen and methane gas driven by concentration. Based on …

Effect of obstacle on the H2/CO/Air explosion characteristics under lean-fuel conditions

X Cao, H Wei, Z Wang, Y Wang, L Fan, Y Lu - Fuel, 2022 - Elsevier
This experimental study focused on effect of obstacle on the syngas (H 2/CO) explosion
characteristics under lean-fuel conditions. The relationship between the flame propagation …

The influence of opening shape of obstacles on explosion characteristics of premixed methane-air with concentration gradients

C Huang, X Chen, L Liu, H Zhang, B Yuan… - Process Safety and …, 2021 - Elsevier
By installing obstacle plates with different opening shapes in an experimental pipeline, the
combined effect of vertical concentration gradients and obstacle shapes on methane-air …

Comparative study on explosion characteristics of hydrogen and gasoline vapor in a semi-confined pipe based on Large Eddy Simulation

G Li, K Zheng, S Wang, W Chen - Fuel, 2022 - Elsevier
Abstract In this work, Large Eddy Simulation has been applied to investigate the explosion
characteristics of hydrogen and gasoline vapor in a pipe with and without obstacles. It is …

Effects of combined obstacles on deflagration characteristics of hydrogen-air premixed gas

Z Xiu, Z Liu, P Li, B Hao, M Li, Y Zhao, P Cai - International Journal of …, 2023 - Elsevier
To study the mechanism by which an increase in the number of obstacles affects the
propagation of hydrogen-air premixed gas explosions under a constant overall volume of …

Experimental study on the coupling effect of heptafluoropropane and obstacles with different slits on the methane-air explosion

K Yang, S Chen, H Ji, Z Xing, Y Hao, K Zheng, J Jiang - Energy, 2023 - Elsevier
The comprehensive effects of obstacles with different slit and heptafluoropropane on the
methane-air explosion characteristics were studied by visual explosion experiment platform …

Experimental study on the coupling effect of heptafluoropropane and different arrangement of obstacles on methane-air explosion

K Yang, H Miao, H Ji, S Chen, Z Xing, J Jiang, K Zheng… - Fuel, 2024 - Elsevier
The influence of heptafluoropropane (CF 3 CHFCF 3) with different barrier arrangements on
the prevention of methane-air explosions in semi-closed pipes is examined in this research …

Bidirectional propagation characteristics of gas explosion disturbed by accumulated obstacles with varied blockage ratios

Y Lu, X Zhong, Z Liu, Q Zhong, T Chen - Fuel, 2024 - Elsevier
Coal mine gas explosions often occur in confined areas with accumulated obstacles. To
investigate the effect of the blockage ratio (BR) of accumulated obstacles on the bidirectional …

Experimental study on the flammability limit parameters of premixed methanol-gasoline vapor-air mixtures

Z Luo, X Wang, S Zhang, T Wang, H Liang, J Liu… - Journal of Loss …, 2022 - Elsevier
In this research, the fire and explosion risks of methanol-gasoline blended clean fuels are
assessed in experimental studies of the flammability limit parameters of methanol-gasoline …

A comparative study of the effect of cavity and obstacle on premixed methane–air flame evolution

D Wu, T Ma, J Li - Process Safety and Environmental Protection, 2024 - Elsevier
To compare the effect of the cavity and obstacle on the flame evolution, a series of
experimental studies are carried out to investigate the premixed methane-air flame …