Effect of channel geometry and porous coverage on flame acceleration in hydrogen–air mixture

GY Bivol, SV Golovastov, VV Golub - Process Safety and Environmental …, 2021 - Elsevier
Flame propagation in a hydrogen–air mixture in the presence of porous materials was
investigated experimentally in channels with different dimensions and cross–sections. In this …

A study of the occurrence of DDT in an array of obstacles: Combined effects of longitudinal and transverse obstacle spacings

M Li, H Xiao - Fuel, 2024 - Elsevier
Combustion wave propagation in a channel containing a stoichiometric hydrogen-air
mixture and an array of obstacles was investigated, aiming to explore the effects of …

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 …

Explosion propagation in inert porous media

G Ciccarelli - … Transactions of the Royal Society A …, 2012 - royalsocietypublishing.org
Porous media are often used in flame arresters because of the high surface area to volume
ratio that is required for flame quenching. However, if the flame is not quenched, the flow …

Transition in the propagation mechanism during flame acceleration in porous media

G Ciccarelli, C Johansen, M Parravani - Proceedings of the Combustion …, 2011 - Elsevier
The combustion of stoichiometric hydrogen-air at various initial pressures was investigated
in a 7.62 cm square cross-section channel filled with 1.27 cm diameter beads. The flame …

High-speed flames and DDT in very rough-walled channels

G Ciccarelli, C Johansen, M Kellenberger - Combustion and Flame, 2013 - Elsevier
An experimental investigation of flame acceleration in a narrow rectangular cross-section
channel with various lower boundary conditions is presented. The boundary conditions …

Attenuation of gaseous detonations by porous media of fine microstructure

MV Papalexandris - Combustion and Flame, 2021 - Elsevier
This article reports on numerical simulations of detonation propagation in channels that
contain one or more porous obstructions. The porous media considered herein have high …

Detonation suppression in hydrogen–air mixtures using porous coatings on the walls

GY Bivol, SV Golovastov, VV Golub - Shock Waves, 2018 - Springer
We considered the problem of detonation suppression and weakening of blast wave effects
occurring during the combustion of hydrogen–air mixtures in confined spaces. The …

Mitigation of H2/air gaseous detonation via utilization of PAN-based carbon fibre felt

Z Rao, Y Luo, B Wang, Q Xie, W He - International Journal of Hydrogen …, 2019 - Elsevier
This paper first studied the mitigation of the hydrogen/air mixture detonation wave by tuning
the tube inner wall with the absorbing material of polyacrylonitrile (PAN)-based carbon fibre …