Effects of slot injection on detonation wavelet characteristics in a rotating detonation engine

C Yan, H Teng, HD Ng - Acta Astronautica, 2021 - Elsevier
Two-dimensional numerical simulations are performed to investigate the effects of spatially
discrete slot injection of reactants on the features of detonation wavelets in a rotating …

Flame acceleration and onset of detonation in inhomogeneous mixture of hydrogen-air in an obstructed channel

X Zhao, J Wang, L Gao, X Wang, Y Zhu - Aerospace Science and …, 2022 - Elsevier
Flame acceleration (FA) and deflagration-to-detonation transition (DDT) in combustible
premixed gases is a complex process involving the flow and combustion phenomena …

Numerical analysis of the mean structure of gaseous detonation with dilute water spray

H Watanabe, A Matsuo, A Chinnayya… - Journal of Fluid …, 2020 - cambridge.org
Two-dimensional (2-D) numerical simulations based on the Eulerian–Lagrangian method
that take droplet break-up into account are conducted to clarify the mean structure of …

The effects of mixture preburning on detonation wave propagation

S Prakash, V Raman - Proceedings of the combustion Institute, 2021 - Elsevier
Pressure gain combustion in the form of continuous detonations can provide a significant
increase in the efficiency of a variety of propulsion and energy conversion devices. In this …

Large eddy simulation of non-reacting flow and mixing fields in a rotating detonation engine

M Zhao, H Zhang - Fuel, 2020 - Elsevier
Abstract Large Eddy Simulations (LES) of the non-reacting flow and mixing fields in a
Rotating Detonation Engine (RDE) from Air Force Research Laboratory (AFRL) are …

Transmission of a detonation wave across an inert layer

KC Tang-Yuk, XC Mi, JHS Lee, HD Ng… - Combustion and …, 2022 - Elsevier
The transmission of a detonation wave across a layer of inert gas is studied via one-and two-
dimensional numerical simulations based on the reactive Euler equations. The resulting …

[HTML][HTML] Critical tube diameter for quasi-detonations

X Sun, C Yan, Y Yan, X Mi, JHS Lee, HD Ng - Combustion and Flame, 2022 - Elsevier
The critical tube diameter problem for quasi-detonations is studied via experiments and two-
dimensional numerical simulations based on the reactive Euler equations. In the …

Propagation of gaseous detonation across inert layers

Y Wang, C Huang, R Deiterding, H Chen… - Proceedings of the …, 2021 - Elsevier
In rotating detonation engines and explosion accidents, detonation may propagate in an
inhomogeneous mixture with inert layers. This study focuses on detonation propagation in a …

Dynamics and structure of detonations in stratified product-gas diluted mixtures

D Brouzet, G Vignat, M Ihme - Proceedings of the Combustion Institute, 2023 - Elsevier
The dynamics and structure of detonations in stratified, product-gas diluted mixtures are
examined using high resolution two-dimensional simulations with detailed chemistry. A …

Effect of spatial inhomogeneities on detonation propagation with yielding confinement

XC Mi, AJ Higgins, CB Kiyanda, HD Ng, N Nikiforakis - Shock Waves, 2018 - Springer
The propagation of detonations in layers of reactive gas bounded by inert gas is simulated
computationally in both homogeneous and inhomogeneous systems described by the two …