Numerical investigation of the mechanism behind the deflagration to detonation transition in homogeneous and inhomogeneous mixtures of H2-air in an obstructed …

MHS Saeid, J Khadem, S Emami - International Journal of Hydrogen …, 2021 - Elsevier
The accidental release of hydrogen into enclosures can result in a flammable mixture with
concentration gradients and possible deflagration-to-detonation transition (DDT). This …

[HTML][HTML] Recent advances in combustion science related to hydrogen safety

JX Wen, ES Hecht, R Mevel - Progress in Energy and Combustion Science, 2025 - Elsevier
Hydrogen is a key pillar in the global Net Zero strategy. Rapid scaling up of hydrogen
production, transport, distribution and utilization is expected. This entails that hydrogen …

The effects of large scale perturbation-generating obstacles on the propagation of detonation filled with methane–oxygen mixture

B Zhang, H Liu - Combustion and Flame, 2017 - Elsevier
Orifice plates with large blockage ratios (BR= 0.691, 0.826, 0.923 and 0.962) are placed in
the entrance of the detonation transmission to investigate the artificially large-scale …

Hydrogen–oxygen flame acceleration and deflagration-to-detonation transition in three-dimensional rectangular channels with no-slip walls

MF Ivanov, AD Kiverin, IS Yakovenko… - International journal of …, 2013 - Elsevier
Hydrogen–oxygen flame acceleration and the transition from deflagration to detonation
(DDT) in channels with no-slip walls are studied using high resolution simulations of 3D …

Effect of solid obstacle distribution on flame acceleration and DDT in obstructed channels filled with hydrogen-air mixture

J Wang, X Zhao, L Gao, X Wang, Y Zhu - International Journal of Hydrogen …, 2022 - Elsevier
Ensuring hydrogen safety has become of great significance nowadays, whose leakage can
possible result in the deflagration to detonation (DDT). The numerical study aims to explore …

Scaling-effect of explosion in H2/CH4/air mixtures

Y Cui, C Wang, D Chen, C Qian, B Qiao - International Journal of Hydrogen …, 2022 - Elsevier
The scaling-effect of mixture explosion is an unresolved issue in explosion science. In this
work, we carry out experimental measurements of explosion characteristics using …

On the detonation propagation behavior in hydrogen-oxygen mixture under the effect of spiral obstacles

B Zhang, H Liu, C Wang - International Journal of Hydrogen Energy, 2017 - Elsevier
Detonation propagation velocity behavior and cellular structure of stoichiometric hydrogen-
oxygen mixture in spiral obstacles with four roughness (ξ= 0.133, 0.231, 0.4, 0.625) are …

Numerical simulation of flame acceleration and deflagration to detonation transition in hydrogen-air mixture

A Heidari, JX Wen - International Journal of Hydrogen Energy, 2014 - Elsevier
A numerical approach has been developed to simulate flame acceleration and deflagration
to detonation transition in hydrogen-air mixture. Fully compressible, multidimensional …

LES of flame acceleration and DDT in hydrogen–air mixture using artificially thickened flame approach and detailed chemical kinetics

S Emami, K Mazaheri, A Shamooni… - international journal of …, 2015 - Elsevier
A large eddy simulation is performed to study the deflagration to detonation transition
phenomenon in an obstructed channel containing premixed stoichiometric hydrogen–air …

Review on recent advances in pulse detonation engines

KM Pandey, P Debnath - Journal of Combustion, 2016 - Wiley Online Library
Pulse detonation engines (PDEs) are new exciting propulsion technologies for future
propulsion applications. The operating cycles of PDE consist of fuel‐air mixture, combustion …