We present results of well-resolved direct numerical simulations (DNS) of the turbulent flow evolving from Richtmyer-Meshkov instability (RMI) in a shock-tube with square cross section. The RMI occurs at the interface between a mixture of O2 and N2 (light gas) and SF6 and acetone (heavy gas). The interface between the light and heavy gas is accelerated by a Ma = 1.5 planar shock wave. RMI is triggered by a well-defined multimodal initial disturbance at the interface. The DNS exhibit grid-resolution independent statistical quantities and support the existence of a Kolmogorov-like inertial range with a k−5/3 scaling unlike previous simulations found in the literature. The results are in excellent agreement with the experimental data of Weber et al [“
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July 2013
Letter|
July 19 2013
On the Kolmogorov inertial subrange developing from Richtmyer-Meshkov instability
V. K. Tritschler;
V. K. Tritschler
a)
Institute of Aerodynamics and Fluid Mechanics,
Technische Universität München
, 85747 Garching, Germany
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S. Hickel;
S. Hickel
Institute of Aerodynamics and Fluid Mechanics,
Technische Universität München
, 85747 Garching, Germany
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X. Y. Hu;
X. Y. Hu
Institute of Aerodynamics and Fluid Mechanics,
Technische Universität München
, 85747 Garching, Germany
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N. A. Adams
N. A. Adams
Institute of Aerodynamics and Fluid Mechanics,
Technische Universität München
, 85747 Garching, Germany
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Physics of Fluids 25, 071701 (2013)
Article history
Received:
April 02 2013
Accepted:
June 27 2013
Citation
V. K. Tritschler, S. Hickel, X. Y. Hu, N. A. Adams; On the Kolmogorov inertial subrange developing from Richtmyer-Meshkov instability. Physics of Fluids 1 July 2013; 25 (7): 071701. https://doi.org/10.1063/1.4813608
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