A comparative study of the single-mode Richtmyer–Meshkov instability
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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
On modeling Richtmyer–Meshkov turbulent mixing widths
Sign Up to like & getrecommendations! Published in 2020 at "Physica D: Nonlinear Phenomena"
DOI: 10.1016/j.physd.2019.132243
Abstract: Abstract We present several observations concerning the Richtmyer–Meshkovmixing widths after a shock or reshock passes through the interface between two fluids. The mixing evolves with two oppositely-moving fronts: A bubble ( b ) side into… read more here.
Keywords: richtmyer meshkov; richtmyer; mixing widths; turbulent mixing ... See more keywords
A two-scale Langevin PDF model for Richtmyer–Meshkov turbulence with a small Atwood number
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DOI: 10.1016/j.physd.2019.132276
Abstract: Abstract In this article, we derive a Langevin probability density function (PDF) model in order to predict turbulent mixing zone evolutions when generated by the Richtmyer–Meshkov instability. The aim of the model is to account… read more here.
Keywords: two scale; atwood number; richtmyer meshkov; pdf model ... 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
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluid Mechanics"
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;
Measurement of ablative Richtmyer-Meshkov evolution from laser imprint
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DOI: 10.1063/1.4991703
Abstract: Experiments were performed to investigate the ablative Richtmyer-Meshkov (RM) instability in plastic (CH2) foils. The two-dimensional (2-D) perturbations were created by laser imprinting using a special phase plate with a 2-D single mode, ∼70 μm wavelength… read more here.
Keywords: measurement ablative; instability; richtmyer meshkov; ablative richtmyer ... See more keywords
Microscopic Richtmyer–Meshkov instability under strong shock
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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
Incompressible models of magnetohydrodynamic Richtmyer-Meshkov instability in cylindrical geometry
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DOI: 10.1103/physrevfluids.4.063906
Abstract: The Richtmyer-Meshkov instability (RMI) occurs when a shock impulsively accelerates an interface between two different fluids, and it is important in many technological applications such as inertial confinement fusion (ICF) and astrophysical phenomena such as… read more here.
Keywords: cylindrical geometry; meshkov instability; geometry; interface ... See more keywords
Richtmyer-Meshkov Instability of Laminar Flame
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DOI: 10.1134/s0021894420020017
Abstract: A slow laminar flame which is a thin (less than 1 mm thick) gas layer separating media of different densities is proposed as the interface between gaseous media for laboratory studies of Richtmyer-Meshkov and Rayleigh-Taylor… read more here.
Keywords: laminar flame; meshkov instability; richtmyer meshkov;