On the viscous boundary layer of weakly unstable detonations in narrow channels

A Sow, A Chinnayya, A Hadjadj - Computers & Fluids, 2019 - Elsevier
The present study investigates, via high performance computing simulations, detonations
propagating in small channel filled with a working fluid representative of the thermodynamic …

Computational study of detonation wave propagation in narrow channels

A Chinnayya, A Hadjadj, D Ngomo - Physics of Fluids, 2013 - pubs.aip.org
A numerical study of the propagation of regular detonation waves is conducted in the context
of narrow channels undergoing strong wall confinement. To deal with shock waves …

Numerical simulations on propane/oxygen detonation in a narrow channel using a detailed chemical mechanism: formation and detailed structure of irregular cells

N Takeshima, K Ozawa, N Tsuboi, AK Hayashi, Y Morii - Shock Waves, 2020 - Springer
Numerical simulations of two-dimensional inviscid detonations for a stoichiometric
propane/oxygen gas mixture are performed using a detailed chemical reaction model. The …

Three-dimensional detonation simulations with the mapped WENO-Z finite difference scheme

C Wang, P Li, Z Gao, WS Don - Computers & Fluids, 2016 - Elsevier
We perform a very long time numerical simulation to capture the three-dimensional
detonation structures in a rectangular duct by solving the reactive Euler equations using the …

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 …

The evolution of a detonation wave in a variable cross-sectional chamber

Q Qu, BC Khoo, HS Dou, HM Tsai - Shock Waves, 2008 - Springer
A two-dimensional numerical simulation has been performed to study the interaction of a
gaseous detonation wave with obliquely inclined surfaces in a variable cross-sectional …

Detonation propagation with velocity deficits in narrow channels

K Ishii, M Monwar - Proceedings of the Combustion Institute, 2011 - Elsevier
Propagation limits of detonations in narrow channels have been studied with a focus on
velocity deficits and variation in cell widths. A channel was formed by a pair of metal plates …

Detonation stabilization in supersonic expanding channel with velocity gradients

F Xu, J Dai, R Deiterding, X Cai - Physics of Fluids, 2023 - pubs.aip.org
The present work aims at exploring the stabilization mechanism of detonation propagating in
a supersonic expanding channel with inflow velocity gradients. To achieve this, two …

Mechanism of detonation stabilization in a supersonic model combustor

X Cai, R Deiterding, J Liang, Y Mahmoudi… - Journal of Fluid …, 2021 - cambridge.org
The present work studies numerically the quasi-steady propagation of a hydrogen/oxygen
detonation in a supersonic model combustor consisting of a cavity and an expanding wall …

Mean structure of one-dimensional unstable detonations with friction

A Sow, A Chinnayya, A Hadjadj - Journal of Fluid Mechanics, 2014 - cambridge.org
This investigation deals with the study of the mean structure of a mildly unstable non-ideal
detonation wave. The analysis is based on the integration of one-dimensional reactive Euler …