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 …

Gas–particle dynamics in high-speed flows

J Capecelatro, JL Wagner - Annual Review of Fluid Mechanics, 2024 - annualreviews.org
High-speed disperse multiphase flows are present in numerous environmental and
engineering applications with complex interactions between turbulence, shock waves, and …

[HTML][HTML] A numerical study of particle jetting in a dense particle bed driven by an air-blast

RB Koneru, B Rollin, B Durant, F Ouellet… - Physics of …, 2020 - pubs.aip.org
In this work, the particle jetting behavior in a blast-driven dense particle bed is studied at
early times. Four-way coupled Euler–Lagrange simulations are performed using a high …

Heterogeneous/particle-laden blast waves

DL Frost - Shock Waves, 2018 - Springer
High-speed multiphase flows containing shock or blast waves occur in a wide variety of
natural and engineered systems as well as across various length scales. At astrophysical …

Explosion-driven interfacial instabilities of granular media

K Xue, X Shi, J Zeng, B Tian, P Han, J Li, L Liu… - Physics of …, 2020 - pubs.aip.org
This paper investigates the evolution of a Richtmyer–Meshkov (RM)-like instability on the
internal surface of particle rings impinged by divergent blast waves. Despite the signature …

Coarse-grained numerical simulation for compressible fluid–particle two-phase flows

J Zeng, B Meng, J Chen, B Tian - Physics of Fluids, 2023 - pubs.aip.org
Compressible fluid–particle two-phase flows broadly exist in engineering problems, and the
Eulerian–Lagrangian method is a popular branch of simulation studies. Usually, the coarse …

Numerical simulation of particle jet formation induced by shock wave acceleration in a Hele-Shaw cell

AN Osnes, M Vartdal, BA Pettersson Reif - Shock Waves, 2018 - Springer
The formation of jets from a shock-accelerated cylindrical shell of particles, confined in a
Hele-Shaw cell, is studied by means of numerical simulation. A number of simulations have …

Shock-induced interfacial instabilities of granular media

J Li, K Xue, J Zeng, B Tian, X Guo - Journal of Fluid Mechanics, 2022 - cambridge.org
This paper investigates the shock-induced instability of the interfaces between gases and
dense granular media with finite length via the coarse-grained compressible computational …

Interaction between shock wave and solid particles: Establishing a model for the change of cloud's expansion rate

X Xiong, K Gao, J Zhang, B Li, L Xie, D Zhang… - Powder Technology, 2021 - Elsevier
This study seeks to discover the change of cloud's expansion rate with self-designed shock
wave dispersion system. Transmission, diffraction and reflection could be observed …

Effects of initial perturbations in the early moments of an explosive dispersal of particles

S Annamalai, B Rollin, F Ouellet… - Journal of Fluids …, 2016 - asmedigitalcollection.asme.org
Recent experiments have shown that when a dense layer of solid particles surrounding a
high-energy reactive material is explosively dispersed, the particles cluster locally leading to …