Review on hydrodynamic instabilities of a shocked gas layer

Y Liang, X Luo - Science China Physics, Mechanics & Astronomy, 2023 - Springer
Hydrodynamic instabilities induced by a shock wave can be observed in both natural
phenomena and engineering applications, and are frequently employed to study gas …

Space–time conservation element and solution element method and its applications

Y Jiang, CY Wen, D Zhang - AIAA journal, 2020 - arc.aiaa.org
This paper reviews the development of the space–time conservation element and solution
element (CESE) method and summarizes its applications in various research areas. The …

Convergent Richtmyer–Meshkov instability on two-dimensional dual-mode interfaces

J Xu, H Wang, Z Zhai, X Luo - Journal of Fluid Mechanics, 2023 - cambridge.org
We report the first shock-tube experiments on two-dimensional dual-mode air–SF interfaces
with different initial spectra subjected to a convergent shock wave. The convergent shock …

Interfacial instability at a heavy/light interface induced by rarefaction waves

Y Liang, Z Zhai, X Luo, C Wen - Journal of Fluid Mechanics, 2020 - cambridge.org
The interaction of rarefaction waves and a heavy/light interface is investigated using
numerical simulations by solving the compressible Euler equations. An upwind space–time …

Richtmyer–Meshkov instability of a single-mode heavy–light interface in cylindrical geometry

J Li, H Wang, Z Zhai, X Luo - Physics of Fluids, 2023 - pubs.aip.org
Richtmyer–Meshkov (RM) instability of a single-mode SF 6–air interface subjected to a
convergent shock is investigated experimentally. The convergent shock tube is specially …

The phase effect on the Richtmyer–Meshkov instability of a fluid layer

Y Liang - Physics of Fluids, 2022 - pubs.aip.org
Shock-induced finite-thickness fluid layer evolution is investigated numerically and
theoretically. Specifically, two-dimensional helium layers consisting of two interfaces owning …

Hydrodynamic instabilities of a dual-mode air–SF6 interface induced by a cylindrically convergent shock

Y Liang, L Liu, X Luo, CY Wen - Journal of Fluid Mechanics, 2023 - cambridge.org
Shock-tube experiments are performed on the convergent Richtmyer–Meshkov (RM)
instability of a multimode interface. The temporal growth of each Fourier mode perturbation …

Refined modelling of the single-mode cylindrical Richtmyer–Meshkov instability

J Wu, H Liu, Z Xiao - Journal of Fluid Mechanics, 2021 - cambridge.org
Evolution of the two-dimensional single-mode Richtmyer–Meshkov (RM) instability in a
cylindrical geometry is numerically investigated through direct numerical simulation. A …

Linear stability analysis of one-dimensional detonation coupled with vibrational relaxation

KCK Uy, L Shi, J Hao, CY Wen - Physics of Fluids, 2020 - pubs.aip.org
The linear stability of one-dimensional detonations with one-reaction chemistry coupled with
molecular vibration nonequilibrium is investigated using the normal mode approach. The …

Analysis of wave converging phenomena inside the shocked two-dimensional cylindrical water column

S Xu, W Fan, W Wu, H Wen, B Wang - Journal of Fluid Mechanics, 2023 - cambridge.org
Due to the curvature of the droplet surface, the propagation of transmitted waves is complex
inside a droplet impacted by an incident shock wave. The wave converging phenomena …