The gravent ddt database

LR Boeck, P Katzy, J Hasslberger, A Kink… - Shock Waves, 2016 - Springer
… (DDT) were collected at the Gradients and Venting (“GraVent”) facility and published in the
form of an open-access online database (http://www.td.mw.tum.de/ddt). … The GraVent facility is …

Influence of kinetics on DDT simulations

O Dounia, O Vermorel, A Misdariis, T Poinsot - Combustion and Flame, 2019 - Elsevier
… trigger for DDT, and that the scenario leading to DDT may depend … DDT using two-dimensional
DNS. The configuration considered is based on the Gravent explosion channel database […

Numerical simulation and validation of flame acceleration and DDT in hydrogen air mixtures

A Karanam, PK Sharma, S Ganju - International Journal of Hydrogen …, 2018 - Elsevier
… the Deflagration to Detonation Transition (DDT) in hydrogen-air mixtures… channel based on
the GraVent experimental facility. … is observed thus completing the DDT process. Subsequent …

Numerical Modeling of Hydrogen Flame Acceleration and DDT Using Generalized Turbulent Flame Closure Approach

A Karanam, V Verma - Combustion Science and Technology, 2024 - Taylor & Francis
… Of the several experiments carried out in the GraVent facility, one case for which DDT was
… repetitions of the experiment available in the GraVent DDT Database (Boeck et al. Citation…

Numerical Modeling of Flame Acceleration and Transition from Deflagration to Detonation Using OpenFOAM®

R Khodadadi Azadboni, JX Wen, A Heidari - … ®: Selected Papers of the …, 2019 - Springer
… of various forms of DDT and differentiates the terminology between the macroscopic DDT
and the microscopic DDT. The large-scale macroscopic DDT includes the process from …

Timescale analysis, numerical simulation and validation of flame acceleration, and DDT in Hydrogen–Air mixtures

A Karanam, S Ganju… - Combustion Science and …, 2021 - Taylor & Francis
… the flame propagation in the GraVent shock tube channel has … to study deflagrations, FA
and DDT. Such methods allow for … speed ultimately resulting in DDT. Comparative simulations …

Enhancement of the DDT Process with Energetic Solid Particle

VB Nguyen, QT Phan, JM Li, BC Khoo… - … Symposium on Shock …, 2019 - Springer
… In this section, the numerical DDT process is validated through a comparison between
the current numerical results and experimental data in the GraVent DDT Database [17]. The …

Effect of diffusion time on the mechanism of deflagration to detonation transition in an inhomogeneous mixture of hydrogen-air

MHS Saeid, J Khadem, S Emami, M Ghodrat - International Journal of …, 2022 - Elsevier
… In the second regime, Mach stem does not form; however, DDTGraVent facility is a classical
explosion channel. … from the Chemkin thermodynamic database, and molecular transfer …

Large eddy simulations of a hydrogen-air explosion in an obstructed chamber using adaptive mesh refinement

B Vanbersel, FAM Ramirez, O Vermorel, T Jaravel… - 2023 - h2knowledgecentre.com
… of a hydrogen-air deflagration in the GraVent explosion channel [1]. … A large database is
available online, comprising … As expected, even with such high absolute velocity levels, no DDT

[PDF][PDF] Models for shock-induced ignition evaluated by detailed chemical kinetics in the context of deflagration-to-detonation transition

LR Boecka, RMT Sattelmayerb - Shock, 2016 - researchgate.net
… The value Mc=3.13 at p1=101.3 kPa exceeds the values observed in laboratory scale DDT
… gradients could strongly promote flame acceleration and DDT. Furthermore, the influence of …