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 the deflagration to detonation transition

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

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
… slow laminar deflagration, but can quickly transform into a fast turbulent deflagration through
… Especially the abrupt transition between the two different combustion regimes, deflagration

[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
… of the fuel mixture in deflagration-to-detonation … direct numerical simulations and comparison
to previous experiments.The last part of the thesis concerns the transition from deflagration

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… ) is an extremely complex process involving deflagrations, shocks and shock …

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 …

Numerical simulations of vented hydrogen deflagration in a medium-scale enclosure

IC Tolias, JR Stewart, A Newton, J Keenan… - Journal of loss …, 2018 - Elsevier
deflagrations at the scales typical for practical applications by performing simulations of a
vented hydrogen deflagration … This study considers hydrogen deflagrations as a consequence …

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
… for large-scale DDT simulation, we are focusing on Large Eddy Simulation (LES) that is less
… The objective of this work is to provide a reliable numerical simulation method for studying …

Numerical simulation of premixed methane–air deflagration in large L/D closed pipes

M Bi, C Dong, Y Zhou - Applied Thermal Engineering, 2012 - Elsevier
deflagration pressure was related to combustion rate and venting rate. However, deflagrations
… This paper aims at studying deflagrations using numerical simulation method in relatively …

Numerical simulation of flame acceleration and deflagration-to-detonation transition in hydrogen-air mixtures with concentration gradients

CJ Wang, JX Wen - International Journal of Hydrogen Energy, 2017 - Elsevier
The present study aims to test the capability of our newly developed density-based solver,
ExplosionFoam, for flame acceleration (FA) and deflagration-to-detonation transition (DDT) in …