Rayleigh–Taylor and Richtmyer–Meshkov instabilities: a journey through scales

Y Zhou, RJR Williams, P Ramaprabhu, M Groom… - Physica D: Nonlinear …, 2021 - Elsevier
Hydrodynamic instabilities such as Rayleigh–Taylor (RT) and Richtmyer–Meshkov (RM)
instabilities usually appear in conjunction with the Kelvin–Helmholtz (KH) instability and are …

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 …

Richtmyer–Meshkov instability on two-dimensional multi-mode interfaces

Y Liang, L Liu, Z Zhai, J Ding, T Si… - Journal of Fluid …, 2021 - cambridge.org
Shock-tube experiments on eight kinds of two-dimensional multi-mode air–SF interface with
controllable initial conditions are performed to examine the dependence of perturbation …

Large-amplitude effects on interface perturbation growth in Richtmyer–Meshkov flows with reshock

X Guo, T Si, Z Zhai, X Luo - Physics of Fluids, 2022 - pubs.aip.org
Experimental and theoretical studies on the Richtmyer–Meshkov (RM) instability of
heavy/light gaseous interfaces with reshock are performed. Both small and large initial …

Contribution of Mach number to the evolution of the Richtmyer-Meshkov instability induced by a shock-accelerated square light bubble

S Singh - Physical Review Fluids, 2021 - APS
The Richtmyer-Meshkov (RM) instability has long been an interesting subject due to its
fundamental significance in scientific research, as well as its crucial role in engineering …

Effects of obstacles on shock-induced perturbation growth

H Wang, H Wang, Z Zhai, X Luo - Physics of Fluids, 2022 - pubs.aip.org
Effects of obstacles on interface evolution and mixing width induced by Richtmyer–Meshkov
instability are investigated experimentally and numerically. In the experiment, the soap film …

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 …

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 …

Three-dimensional simulations of reshocked inclined Richtmyer-Meshkov instability: Effects of initial perturbations

M Mohaghar, J McFarland, D Ranjan - Physical Review Fluids, 2022 - APS
The effect of initial perturbations on the evolution of the inclined Richtmyer-Meshkov
turbulent mixing layer before and after reshock initiated by a shock wave with Mach number …

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 …