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 …

Analysis of obstacle shape on gas explosion characteristics

G Xiao, S Wang, H Mi, F Khan - Process Safety and Environmental …, 2022 - Elsevier
The safe design and operation of clean fuels like hydrogen require a detailed understanding
of their explosion characteristics. An experimental study of the flame propagation behavior …

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 …

Experimental investigation on the effect of obstacle position on the explosion behaviors of the non-uniform methane/air mixture

Q Wu, M Yu, K Zheng - Fuel, 2022 - Elsevier
Gas explosions in the underground coal mines where the obstacles exist can cause
significant damage. A current knowledge gap in methane safety research concerns the effect …

Explosion behavior of non-uniform methane/air mixture in an obstructed duct with different blockage ratios

K Zheng, Q Wu, C Chen, Z Xing, Y Hao, M Yu - Energy, 2022 - Elsevier
An experimental investigation on explosion behavior of non-uniform methane/air explosion
in obstructed duct with different blockage ratios is conducted. The methane/air mixture that …

The weakening effect of the inhibition of CO2 on the explosion of HCNG with the increase of hydrogen: Experimental and chemical kinetic research

Z Luo, S Zhou, T Wang, B Su, R Li - International Journal of Hydrogen …, 2023 - Elsevier
To explore the inhibitory effect of CO 2 on HCNG (Hydrogen enriched compressed natural
gas) explosion and its chemical kinetic mechanism, the explosion pressure and flame of CO …

Experimental and numerical investigation on the premixed methane/air flame propagation in duct with obstacle gradients

K Zheng, Q Jia, Z Ma, Z Xing, Y Hao, M Yu - Process Safety and …, 2023 - Elsevier
This work experimentally and numerically investigates the effect of the obstacle gradient on
the characteristics of the methane/air explosion in obstructed ducts. The obstacle gradient is …

Dynamic characteristics of methane explosion flame propagation in three types of pipe

Q Wang, S Jin, H Wen, Z Luo, CM Shu, W Gao… - Process Safety and …, 2023 - Elsevier
In process industries, the pipe connecting the various process units has complex structures.
An experimental system was established to examine the flame propagation in premixed …

Modeling of turbulent deflagration behaviors of premixed hydrogen-air in closed space with obstacles

Z Sheng, G Yang, S Li, Q Shen, H Sun, Z Jiang… - Process Safety and …, 2022 - Elsevier
The propagation of premixed hydrogen-air deflagration flames in a closed duct with different
shapes of obstacles was investigated using large eddy simulation (LES). The turbulent flame …

Investigations on unconfined large-scale methane explosion with the effects of scale and obstacles

Y Zhou, Y Li, H Jiang, K Zhang, X Chen… - Process Safety and …, 2021 - Elsevier
The strong pressure wave in gas explosion accident could cause great casualties and
property loss, which has become the main threat to safety of chemical process and further …