[PDF][PDF] A universal parameter quantifying explosion hazards, detonability and hot spot formation: the χ number

MI Radulescu, GJ Sharpe… - ISFEH7 Proceedings of the …, 2013 - researchgate.net
The present review investigates the physical significance of the χ parameter introduced
earlier by the authors, defined as the product of the ratio of characteristic induction and …

Study on acceleration and suppression properties of coal gangue with different void fractions on gas explosion propagation

Z Liu, X Zhong, Q Zhong, Y Lu, D Zhu - Journal of Loss Prevention in the …, 2023 - Elsevier
Gas explosion is one of the main disasters in coal mining. Plenty of coal gangue are
generally distributed in the disaster areas in gob. Experiments were carried out to explore …

Investigation of hydrogen-air and acetylene-air flame propagation through porous media using infrared visualisation

GY Bivol, SV Golovastov, VV Golub - Process Safety and Environmental …, 2022 - Elsevier
One of the modern energy safety concerns is ensuring explosion safety when working with
flammable gases. For this purpose, various methods are used, such as active chemical …

Evolution of detonation wave and parameters of its attenuation when passing along a porous coating

SV Golovastov, GY Bivol, D Alexandrova - Experimental Thermal and Fluid …, 2019 - Elsevier
Usually, attenuation of a shock or detonation wave at a normal or tangential impact to the
surface of technological structures can be carried out using porous coatings. In the present …

Flame acceleration in rough narrow channels

GY Bivol, SV Golovastov, VV Golub - Process Safety and Environmental …, 2024 - Elsevier
Flame acceleration in rough narrow channel was experimentally studied for the mixtures of
hydrogen with air and acetylene with air. The experiments were carried out in a 7 by 7 mm …

Turbulent flame propagation with pressure oscillation in the end gas region of confined combustion chamber equipped with different perforated plates

L Zhou, D Gao, J Zhao, H Wei, X Zhang, Z Xu… - Combustion and …, 2018 - Elsevier
Experiments were conducted in a newly designed constant volume combustion chamber
with a perforated plate by varying the initial conditions. Hydrogen–air mixtures were used …

Effects of the equivalence ratio on turbulent flame–shock interactions in a confined space

H Wei, J Zhao, L Zhou, D Gao, Z Xu - Combustion and Flame, 2017 - Elsevier
In this work, the influences of the equivalence ratio on flame front propagation velocity,
shock wave velocity and pressure oscillation as well as flame–shock interactions with …

Suppression of hydrogen–air detonation using porous materials in the channels of different cross section

GY Bivol, SV Golovastov - International Journal of Hydrogen Energy, 2021 - Elsevier
Propagation of a detonation wave in a porous channel with different cross–section was
experimentally studied. Experiments were performed in three rectangular channels with …

Study on the propagation characteristics of methane-air explosion under the promotion of crushed gangue

Z Liu, Q Zhong, Y Lu - Scientific Reports, 2024 - nature.com
Methane-air explosion is one of the major disasters in industrial process. The explosion
strength could be influenced by the crushed coal gangue, which is widely distributed in coal …

High-speed videography of transparent media using illumination-based multiplexed schlieren

S Ek, V Kornienko, A Roth, E Berrocal… - Scientific Reports, 2022 - nature.com
Schlieren photography is widely used for visualizing phenomena within transparent media.
The technique, which comes in a variety of configurations, is based on detecting or …