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 …

Effects of the perturbation inlet on the evolution and oscillation characteristics of multiple rotating detonation waves

H Chen, C Si, H Hu, Y Jin, Y Zhu - Aerospace Science and Technology, 2023 - Elsevier
A numerical simulation using the open-source platform OpenFOAM is conducted to
investigate the effect of periodic perturbations at the inlet on the evolution and oscillation …

Effects of inhomogeneous hydrogen concentration distribution on the morphology of the oblique detonation wave

Q Qin, Y Liu, M Yuan, L Li, X Li, J Li - International Journal of Hydrogen …, 2024 - Elsevier
The impact of the inhomogeneous hydrogen concentration distribution on the oblique
detonation wavefront is numerically studied. The hydrogen concentration distribution …

Mechanisms of the destabilized Mach reflection of inviscid oblique detonation waves before an expansion corner

Z Zhang, Y Liu, C Wen - Journal of Fluid Mechanics, 2022 - cambridge.org
The stabilization of oblique detonation waves (ODWs) in an engine combustor is important
for the successful applications of oblique detonation engines, and comprehensively …

Analysis of waves dynamics in a rotating detonation combustor fueled by kerosene

W Fan, Y Shi, H Wen, H Hu, H Chen, B Wang - Physics of Fluids, 2024 - pubs.aip.org
The wave dynamics play a crucial role in the operation characteristics of the rotating
detonation engine. We conducted numerical simulations of a rotating detonation combustor …

Numerical study on wave configuration of wedge-induced oblique detonation wave: Reactive boundary layer effect

L Yang, L Yue, D Yu, Z Chen - Physics of Fluids, 2022 - pubs.aip.org
A numerical simulation solving the Reynolds-averaged Navier–Stokes equation is
presented to investigate the initiation and evolution of the wedge-induced oblique …

Effect of the inlet spatial fluctuation on the gas–solid continuous rotating detonation flow field characteristics

Y Wang, X Zhang, P Liu, Y Li, J Wang, JZ Ma - Physics of Fluids, 2024 - pubs.aip.org
Continuous rotating detonation engines have been extensively studied due to their high
thermal efficiency. The utilization of solid particles as fuel can effectively reduce costs and …

Effect of unsteady supersonic flow on detonation under different hot jet initiation conditions

J Liu, Q Luo, J Dai - International Journal of Hydrogen Energy, 2024 - Elsevier
To understand the actual operation of detonation engines, it is of great significance to
simulate the detonation characteristics after being affected by unsteady supersonic flow …

Computational investigation on the formation of liquid-fueled oblique detonation waves

W Wang, Z Hu, P Zhang - Combustion and Flame, 2025 - Elsevier
Utilizing a two-phase supersonic chemically reacting flow solver with the Eulerian-
Lagrangian method implemented in OpenFOAM, this study computationally investigates the …

Evolution of weakly unstable oblique detonation in disturbed inflow

S Niu, P Yang, X Xi, Z Li, H Teng - Physics of Fluids, 2024 - pubs.aip.org
The surface instability of oblique detonation waves (ODWs) without perturbations has been
extensively investigated, yet the impact of external perturbations remains under-explored …