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
This study aimed to numerically investigate the effect of diffusion time between H 2 injection
and ignition on mechanisms behind deflagration to detonation transition (DDT) in an …

Numerical Simulation of the Influence of Hydrogen Concentration on Detonation Diffraction Mechanism

MH Shamsadin Saeid, M Ghodrat - Energies, 2022 - mdpi.com
In this study, the impact of hydrogen concentration on deflagration to detonation transition
(DDT) and detonation diffraction mechanisms was investigated. The combustion chamber …

Numerical Investigation of the Effects of Diffusion Time on the Mechanisms of Transition from a Turbulent Jet Flame to Detonation in a H2-Air Mixture

MHS Saeid, J Khadem, S Emami, CB Oh - Fire, 2023 - mdpi.com
The current study primarily aimed to simulate detonation initiation via turbulent jet flame
acceleration in partial-premixed H2-air mixtures. Different vertical concentration gradients …

A novel method for chemistry tabulation of strained premixed/stratified flames based on principal component analysis

P Tang, H Zhang, T Ye, Z Yu, Z Xia - Applied Mathematics and Mechanics, 2018 - Springer
The principal component analysis (PCA) is used to analyze the high dimensional chemistry
data of laminar premixed/stratified flames under strain effects. The first few principal …