Numerical Simulation of the Deflagration‐to‐Detonation Transition in Inhomogeneous Mixtures

F Ettner, KG Vollmer, T Sattelmayer - Journal of Combustion, 2014 - Wiley Online Library
In this study the hazardous potential of flammable hydrogen‐air mixtures with vertical
concentration gradients is investigated numerically. The computational model is based on the …

Numerical simulation of deflagration-to-detonation transition: the role of shock–flame interactions in turbulent flames

AM Khokhlov, ES Oran, GO Thomas - Combustion and flame, 1999 - Elsevier
simulations show that the interactions of shocks and flames create the conditions under
which deflagration-to-detonation transition … Deflagration-to-detonation transition (DDT) is an …

Numerical simulation of the deflagration to detonation transition

MT Parra-Santos, F Castro-Ruiz… - … , Explosion and Shock …, 2005 - Springer
numerical simulationsimulator of confined explosions and its interaction with barriers of
water). In the present work, the code is used to simulate the deflagration to detonation transition. …

Numerical simulation of deflagration-to-detonation transition in large confined volumes

J Hasslberger, LR Boeck, T Sattelmayer - Journal of Loss Prevention in the …, 2015 - Elsevier
A methodology for the computationally efficient CFD simulation of hydrogen-air explosions (including
transition to detonation) in large volumes is presented. The model is validated by …

Numerical modeling of shock-to-detonation transition in energetic materials

J Zhang, TL Jackson, JD Buckmaster, JB Freund - Combustion and Flame, 2012 - Elsevier
transition to a detonation. Courtesy of L.Borne and the French–German Research Institute of
Saint-Louis (ISL). Numerical simulations … , and the detonation transition what would occur if …

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
… models and solvers in order to carry out numerical simulations of deflagrations, detonations
and transition from deflagrations to detonation. The complex physics involved implies that …

A numerical study of detonation diffraction

M Arienti, JE Shepherd - Journal of Fluid Mechanics, 2005 - cambridge.org
… An investigation of detonation diffraction through an abrupt area change has been carried
out via a set of two-dimensional numerical simulations parameterized by the activation energy …

Numerical simulation of flame acceleration and deflagration-to-detonation transition of ethylene in channels

C Wang, Y Zhao, B Zhang - Journal of Loss Prevention in the Process …, 2016 - Elsevier
… process and the detonation propagation behavior of … numerical simulation method for
studying the FA and DDT in ethylene-air, which is useful to quantitatively analyze the detonation

[HTML][HTML] Numerical simulation of deflagration-to-detonation transition: the role of hydrodynamic instability

MA Liberman, GI Sivashinsky, D Valiev… - International Journal of …, 2006 - diva-portal.org
… The role of the flame folding, induced by the classical Darrieus-Landau instability, on the
transition from deflagration to detonation is studied by numerical simulations of premixed gas …

Numerical simulation of wave mode transition in rotating detonation engine with OpenFOAM

ZJ Xia, MY Luan, XY Liu, JP Wang - International Journal of Hydrogen …, 2020 - Elsevier
… The pressure signal is similar with our numerical simulations, which is a proof to our
simulation. By means of experiments it is difficult to observe the details of the flow field. This work …