Numerical study of detonation propagation in a semi-confined nonuniform layer bound by an inert gas

M Menezes, G Ciccarelli, SSML Chapdelaine - International Journal of …, 2024 - Elsevier
This study investigates detonation propagation through a stoichiometric hydrogen-oxygen
layer stratified above an inert gas, ie, argon, with a diffuse interface at atmospheric pressure …

[HTML][HTML] Towards predictive simplified chemical kinetics for hydrogen detonations

F Veiga-López, S Taileb, A Chinnayya… - Combustion and …, 2024 - Elsevier
A methodology to develop predictive simplified kinetics schemes (one-step/three-step chain-
branching) is presented in which detonation velocity-curvature (D− κ) curves computed with …

Transition to detonation in inhomogeneous hydrogen-air mixtures: The importance of gradients in detonation cell size

X Lu, CR Kaplan, ES Oran - Proceedings of the Combustion Institute, 2023 - Elsevier
This paper presents a numerical study of flame acceleration and deflagration-to-detonation
transition (DDT) of hydrogen-air mixtures in a channel with obstacles, where the mixture …

Origins of instabilities in turbulent mixing layers behind detonation propagation into reactive–inert gas interfaces

B Maxwell, J Melguizo-Gavilanes - Physics of Fluids, 2022 - pubs.aip.org
Interactions of mildly irregular detonation waves with sharp interfaces separating
combustible mixtures from an inert gas were modeled numerically using the compressible …

Detonation propagation through a diffuse-interface gas layer

M McLoughlin, V Yousefi-Asli, S Gray, G Ciccarelli - Shock Waves, 2023 - Springer
Detonation propagation in a stratified layer of combustible gas over an inert gas was
investigated experimentally. The layer formed in a 12.7-mm-wide channel by opening a …

Detonation propagation in a rotating detonation engine analogue with nonpremixed fuel-oxygen injection

MT McLoughlin - 2021 - search.proquest.com
In industrial explosions, the combustible mixture often accumulates on a ceiling, or forms on
the ground. An investigation into detonation propagation through a combustible gas layer in …

A Novel Flexible Sensor for Recording Temporal Shock Wave Displacement in Explosion Field

B Xue, DR Kong, CY Zhang, P Xu… - IEEE Sensors Journal, 2024 - ieeexplore.ieee.org
Shock velocity is an essential physical parameter in blast wave and detonation wave tests.
Typical electrical, optical, and imaging methods can cover many testing scenarios including …

Study of Fuel-Oxygen Mixing in a Cold Single Shot Linear Rotating Detonation Engine

SC Gray - 2022 - search.proquest.com
An experimental and numerical study was undertaken to examine the detonation behaviour
and the effect of mixing in a Cold Single Shot Linear Rotating Detonation Engine …

A Flexible Wave Velocity Measurement Method Applied to Low Pressure Load Condition

B Xue, D Kong, C Zhang, Z Xiong… - 2023 IEEE 16th …, 2023 - ieeexplore.ieee.org
A flexible wave velocity measurement method is proposed and a flexible velocity sensor
specimen based on the tiny beam structure is manufactured by flexible processing …

[PDF][PDF] Numerical study of detonation transmission and propagation through a gravity-driven layer of hydrogen-oxygen over an inert gas

M Menezes, G Ciccarelli, SSM Lau-Chapdelaine - icders.org
An important aspect of explosion safety is predicting detonation propagation in a
combustible cloud that forms following an accidental release. When buoyancy is important …