Advances and challenges in modeling high-speed turbulent combustion in propulsion systems

ED Gonzalez-Juez, AR Kerstein, R Ranjan… - Progress in Energy and …, 2017 - Elsevier
Combustion environments in propulsion systems involve the interaction of a variety of
physics. In devices such as augmentors, ramjets and scramjets, such environments include …

Discrete Boltzmann modeling of unsteady reactive flows with nonequilibrium effects

C Lin, KH Luo - Physical Review E, 2019 - APS
A multiple-relaxation-time discrete Boltzmann model (DBM) is developed for compressible
thermal reactive flows. A unified Boltzmann equation set is solved for hydrodynamic and …

A computational study of the interaction of gaseous detonations with a compressible layer

M Reynaud, F Virot, A Chinnayya - Physics of Fluids, 2017 - pubs.aip.org
The propagation of two-dimensional cellular gaseous detonation bounded by an inert layer
is examined via computational simulations. The analysis is based on the high-order …

Experimental and numerical investigations on propagating modes of detonations: Detonation wave/boundary layer interaction

X Cai, J Liang, R Deiterding, Y Mahmoudi, M Sun - Combustion and flame, 2018 - Elsevier
In the present work the propagating modes of detonation wave in supersonic hydrogen–air
mixtures are investigated in narrow rectangular channels. To clarify the effect of the …

Influence of turbulent fluctuations on detonation propagation

BMN Maxwell, RR Bhattacharjee… - Journal of Fluid …, 2017 - cambridge.org
The present study addresses the reaction zone structure and burning mechanism of
unstable detonations. Experiments investigated mainly two-dimensional methane–oxygen …

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 …

Experimental and numerical investigation of propagation mechanism of gaseous detonations in channels with porous walls

K Mazaheri, Y Mahmoudi, M Sabzpooshani… - Combustion and …, 2015 - Elsevier
In the present work the propagation of gaseous detonations in a channel with porous walls
is investigated experimentally and numerically. The main goal of the study is to determine …

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 …

Adaptive mesh refinement based simulations of three-dimensional detonation combustion in supersonic combustible mixtures with a detailed reaction model

X Cai, J Liang, R Deiterding, Y Che, Z Lin - international journal of …, 2016 - Elsevier
Detonation combustion initiated with a hot jet in supersonic H 2-O 2-Ar mixtures is
investigated by large-scale three-dimensional (3D) simulations conducted in Tianhe-2 …

Novel approach for computational modeling of a non-premixed rotating detonation engine

S Subramanian, J Meadows - Journal of Propulsion and Power, 2020 - arc.aiaa.org
Pressure gain combustion (PGC) has gained significant attention in airbreathing gas turbine
applications due to its increased thermodynamic efficiency over a constant-pressure Brayton …