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Shock Waves pp 377-382 | Cite as

Measurements of mixing induced at a gas interface by the Richtmyer-Meshkov instability

  • D. Ranjan
  • J. Niederhaus
  • J. Oakley
  • M. H. Anderson
  • J. Greenough
  • R. Bonazza
Conference paper

Abstract

Experiments to study the mixing between two gases induced by the Richtmyer-Meshkov instability are performed in a vertical shock tube of large, square internal cross section. The test gas is contained in an axisymmetric soap bubble which is at rest on an injector and is seeded with smoke to perform planar Mie scattering. Concurrently to the laboratory experiments, a computational investigation is carried out using the Raptor code- a finite volume code that solves the compressible Navier-Stokes equations using a Riemann solver with Phil Colella’s Piecewise Linear Method for data reconstruction at cell interfaces. Differences between the computational and the laboratory experiments include: perfectly spherical vs. near-spherical, axisymmetric shape; diffuse interface with no soap film vs. soap interface with no diffusion; absence vs. presence of an injector to hold the bubble in place. Examples of experimental and computational images of shock-accelerated bubbles are shown below.

Keywords

Shock Wave Vortex Ring Shock Tube Soap Film Shock Acceleration 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • D. Ranjan
    • 1
  • J. Niederhaus
    • 1
  • J. Oakley
    • 1
  • M. H. Anderson
    • 1
  • J. Greenough
    • 2
  • R. Bonazza
    • 1
  1. 1.University of Wisconsin-MadisonMadisonUSA
  2. 2.Lawrence Livermore National LaboratoryLivermoreUSA

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