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Experimental investigation into the evolution of turbulent mixing of gases by using the OSA facility

Published online by Cambridge University Press:  03 March 2004

Yu.A. KUCHERENKO ,
O.E. SHESTACHENKO ,
Yu.A. PISKUNOV ,
E.V. SVIRIDOV ,
V.M. MEDVEDEV  and
A.I. BAISHEV
Yu.A. KUCHERENKO
Affiliation:
Russian Federal Nuclear Center, Academician E.I. Zababakhin, All-Russian Research Institute of Technical Physics, Snezhinsk, Chelyabinsk, Russia
O.E. SHESTACHENKO
Affiliation:
Russian Federal Nuclear Center, Academician E.I. Zababakhin, All-Russian Research Institute of Technical Physics, Snezhinsk, Chelyabinsk, Russia
Yu.A. PISKUNOV
Affiliation:
Russian Federal Nuclear Center, Academician E.I. Zababakhin, All-Russian Research Institute of Technical Physics, Snezhinsk, Chelyabinsk, Russia
E.V. SVIRIDOV
Affiliation:
Russian Federal Nuclear Center, Academician E.I. Zababakhin, All-Russian Research Institute of Technical Physics, Snezhinsk, Chelyabinsk, Russia
V.M. MEDVEDEV
Affiliation:
Russian Federal Nuclear Center, Academician E.I. Zababakhin, All-Russian Research Institute of Technical Physics, Snezhinsk, Chelyabinsk, Russia
A.I. BAISHEV
Affiliation:
Russian Federal Nuclear Center, Academician E.I. Zababakhin, All-Russian Research Institute of Technical Physics, Snezhinsk, Chelyabinsk, Russia
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Abstract

Experiments conducted at the OSA shock tube facility at the Russian Federal Nuclear Center–VNIITF to investigate the compressible turbulent mixing of argon and krypton gases induced by the Rayleigh–Taylor instability are described. A liquid soap film membrane of thickness ∼1 micrometer embedded in an array of microconductors is used, on which specified initial perturbations can be applied. The shock is piston driven by compressed gas. The gas interface was accelerated with an acceleration g′4 3104 m0s2. The membrane is disintegrated at the beginning of the experiment by a strong electric explosion. Imaging is performed using Schlieren photography. The dimensionless growth rate of the mixing zone was determined to be 0.04.

Keywords

Different density gasesLiquid membraneMixing rateShock tubeTurbulent mixing
Type
Research Article
Information
Laser and Particle Beams , Volume 21 , Issue 3 , July 2003 , pp. 389 - 392
Copyright
© 2003 Cambridge University Press

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