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 …

On shock-induced heavy-fluid-layer evolution

Y Liang, X Luo - Journal of Fluid Mechanics, 2021‏ - cambridge.org
Investigation on the shock-induced finite-thickness fluid-layer evolution is very desirable but
remains a challenge because it not only involves both the Richtmyer–Meshkov instability …

Hydrodynamic instabilities of two successive slow/fast interfaces induced by a weak shock

Y Liang, X Luo - Journal of Fluid Mechanics, 2023‏ - cambridge.org
Shock-induced instability developments of two successive interfaces have attracted much
attention, but remain a difficult problem to solve. The feedthrough and reverberating waves …

A unified theoretical model for spatiotemporal development of Rayleigh–Taylor and Richtmyer–Meshkov fingers

C Liu, Y Zhang, Z **ao - Journal of Fluid Mechanics, 2023‏ - cambridge.org
An initially perturbed interface between two fluids of different densities is usually unstable
when driven by an acceleration or a shock wave; it is known as a Rayleigh–Taylor instability …

Shock-tube studies of single-and quasi-single-mode perturbation growth in Richtmyer–Meshkov flows with reshock

X Guo, Z Cong, T Si, X Luo - Journal of Fluid Mechanics, 2022‏ - cambridge.org
The Richtmyer–Meshkov instability of heavy/light single-mode (SM), trapezoid (TR) and
sawtooth (ST) interfaces is studied experimentally by considering the reshock. The TR and …

On shock-induced light-fluid-layer evolution

Y Liang, X Luo - Journal of Fluid Mechanics, 2022‏ - cambridge.org
Shock-induced light-fluid-layer evolution is firstly investigated experimentally and
theoretically. Specifically, three quasi-one-dimensional helium gas layers with different layer …

On Richtmyer–Meshkov finger collisions in a light fluid layer under reshock conditions

X Guo, Z Cong, T Si, X Luo - Journal of Fluid Mechanics, 2024‏ - cambridge.org
The fingers known as bubbles (spikes) resulting from the penetration of light (heavy) fluids
into heavy (light) fluids are significant large-scale features of Richtmyer–Meshkov instability …

Richtmyer–Meshkov instability on a quasi-single-mode interface

Y Liang, Z Zhai, J Ding, X Luo - Journal of Fluid Mechanics, 2019‏ - cambridge.org
Experiments on Richtmyer–Meshkov instability of quasi-single-mode interfaces are
performed. Four quasi-single-mode air/interfaces with different deviations from the single …

New interface formation method for shock–interface interaction studies

J Li, Q Cao, H Wang, Z Zhai, X Luo - Experiments in Fluids, 2023‏ - Springer
We propose a new interface formation method for shock–interface interaction studies by
using the super-hydrophobic–oleophobic surface instead of filaments to constrain the soap …

Evolution of shock-accelerated heavy gas layer

Y Liang, L Liu, Z Zhai, T Si, CY Wen - Journal of Fluid Mechanics, 2020‏ - cambridge.org
Richtmyer–Meshkov instability of the SF6 gas layer surrounded by air is experimentally
investigated. Using the soap film technique, five kinds of gas layer with two sharp interfaces …