A comparative study of the single-mode Richtmyer–Meshkov instability
Sign Up to like & getrecommendations! Published in 2018 at "Shock Waves"
DOI: 10.1007/s00193-017-0764-2
Abstract: In this work, the single-mode Richtmyer–Meshkov instability is studied numerically to find a reasonable nonlinear theoretical model which can be applied to predict the interface evolution from the linear stage to the early nonlinear stage.… read more here.
Keywords: phys; richtmyer meshkov; single mode; mode richtmyer ... See more keywords
Effects of solid circular cylinders on the dynamics of the Richtmyer–Meshkov instability
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DOI: 10.1007/s00193-020-00942-3
Abstract: We discuss the effect on the transient dynamics of the Richtmyer–Meshkov instability due to small-scale perturbations introduced by a set of solid circular cylinders located along the material interface. The arrangement of the cylinders mimics… read more here.
Keywords: richtmyer meshkov; solid circular; dynamics richtmyer; circular cylinders ... See more keywords
Simultaneous direct measurements of concentration and velocity in the Richtmyer–Meshkov instability
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2018.419
Abstract: The Richtmyer–Meshkov instability (RMI) is experimentally investigated in a vertical shock tube using a broadband initial condition imposed on an interface between a helium–acetone mixture and argon (Atwood number $A\approx 0.7$ ). In the present… read more here.
Keywords: velocity; richtmyer meshkov; meshkov instability; concentration velocity ... See more keywords
Nonlinear behaviour of convergent Richtmyer–Meshkov instability
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DOI: 10.1017/jfm.2019.610
Abstract: A novel shock tube is designed to investigate the nonlinear feature of convergent Richtmyer–Meshkov instability on a single-mode interface formed by a soap film technique. The shock tube employs a concave–oblique–convex wall profile which first… read more here.
Keywords: richtmyer meshkov; meshkov instability; convergent richtmyer;
Richtmyer–Meshkov instability when a shock is reflected for fluids with arbitrary equation of state
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2024.1010
Abstract: Abstract First predicted by Richtmyer in 1960 and experimentally confirmed by Meshkov in 1969, the Richtmyer–Meshkov instability (RMI) is crucial in fields such as physics, astrophysics, inertial confinement fusion and high-energy-density physics. These disciplines often… read more here.
Keywords: richtmyer; richtmyer meshkov; instability; meshkov instability ... See more keywords
Microscopic Richtmyer–Meshkov instability under strong shock
Sign Up to like & getrecommendations! Published in 2020 at "Physics of Fluids"
DOI: 10.1063/1.5143327
Abstract: The microscopic-scale Richtmyer–Meshkov instability (RMI) of a single-mode dense-gas interface is studied by the molecular dynamics approach. Physically realistic evolution processes involving the non-equilibrium effects such as diffusion, dissipation, and thermal conduction are examined for… read more here.
Keywords: meshkov instability; richtmyer meshkov; shock;
Synchrotron radiography of Richtmyer–Meshkov instability driven by exploding wire arrays
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DOI: 10.1063/5.0144839
Abstract: We present a new technique for the investigation of shock-driven hydrodynamic phenomena in gases, liquids, and solids in arbitrary geometries. The technique consists of a pulsed power-driven resistive wire array explosion in combination with multi-MHz… read more here.
Keywords: synchrotron radiography; richtmyer meshkov; meshkov instability; richtmyer ... See more keywords
Analysis of single-mode Richtmyer–Meshkov instability using high-order incompressible vorticity—streamfunction and shock-capturing simulations
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0179157
Abstract: Two- and three-dimensional simulation results obtained using a new high-order incompressible, variable-density vorticity–streamfunction (VS) method and data from previous ninth-order weighted essentially nonoscillatory (WENO) shock-capturing simulations [M. Latini and O. Schilling, “A comparison of two-… read more here.
Keywords: vorticity; richtmyer meshkov; mode; single mode ... See more keywords
Richtmyer–Meshkov instability at high Mach number: Non-Newtonian effects
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DOI: 10.1063/5.0209843
Abstract: The Richtmyer–Meshkov instability (RMI) occurs when a shock wave passes through an interface between fluids of different densities, a phenomenon prevalent in a variety of scenarios including supersonic combustion, supernovae, and inertial confinement fusion. In… read more here.
Keywords: richtmyer meshkov; mach; non newtonian; instability ... See more keywords
Explosively driven Richtmyer–Meshkov instability jet suppression and enhancement via coupling machine learning and additive manufacturing
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DOI: 10.1063/5.0213123
Abstract: The ability to control the behavior of fluid instabilities at material interfaces, such as the shock-driven Richtmyer–Meshkov instability, is a grand technological challenge with a broad number of applications ranging from inertial confinement fusion experiments… read more here.
Keywords: richtmyer meshkov; jet; geometry; meshkov instability ... See more keywords
Freeze out of multi-mode Richtmyer–Meshkov instability using particles
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DOI: 10.1063/5.0213952
Abstract: Richtmyer–Meshkov instability (RMI) occurs when a shock wave traverses an interface separated by two fluids with different densities. Achieving “freeze out” (i.e., “killing” of RMI), a critical objective in RMI research for engineering applications, remains… read more here.
Keywords: multi mode; freeze; richtmyer meshkov; particle ... See more keywords