The accidental release of hydrogen into enclosures can result in a flammable mixture with
concentration gradients and possible deflagration-to-detonation transition (DDT). This …

In this study the hazardous potential of flammable hydrogen‐air mixtures with vertical
concentration gradients is investigated numerically. The computational model is based on …

This study aimed to numerically investigate the effect of diffusion time between H 2 injection
and ignition on mechanisms behind deflagration to detonation transition (DDT) in an …

The influence of obstacle separation distance on explosion flame acceleration was studied
for 10% methane–air mixtures using two 20% blockage obstacles with variable number and …

The influence of water mist on explosion of H 2-air mixtures is studied experimentally in a
closed channel with rectangular cross section. The investigated range of H 2 concentrations …

Obstacle separation distance (pitch) has received little systematic study in the literature.
Either too large or small spacing between obstacles would lead to lesser explosion severity …

The effect of obstacle separation distance on the severity of gas explosions has received
little methodical study. It was the aim of this work to investigate the influence of obstacle …

ABSTRACT Flame Acceleration (FA) and Deflagration to Detonation Transition (DDT) are
known risks in scenarios involving accidental release and combustion of hydrogen in …

In this study, the impact of hydrogen concentration on deflagration to detonation transition
(DDT) and detonation diffraction mechanisms was investigated. The combustion chamber …

The interaction of unburnt gas flow induced in an explosion with an obstacle results in the
production of turbulence downstream of the obstacle and the acceleration of the flame when …