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Physics of Fluids / Volume 24 / Issue 1 / LETTERS

Phys. Fluids 24, 011705 (2012); http://dx.doi.org/10.1063/1.3676449 (6 pages)

Amplification factors in shock-turbulence interactions: Effect of shock thickness

Diego A. Donzis

Department of Aerospace Engineering, Texas A&M University, Texas 77843-3141, USA

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(Received 30 September 2011; accepted 6 December 2011; published online 11 January 2012)

Amplification factors of streamwise velocity are investigated in canonical shock-turbulence interactions. The ratio of laminar shock thickness to the Kolmogorov length scale is suggested as the appropriate parameter to understand data from simulations and experiments. The different regimes of the interaction suggested in the literature can also be understood in terms of this parameter.

© 2012 American Institute of Physics

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KEYWORDS and PACS

Keywords

laminar flow, shock waves, turbulence

PACS

  • 47.40.Nm

    Shock wave interactions and shock effects

  • 47.15.-x

    Laminar flows

  • 47.27.Gs

    Isotropic turbulence; homogeneous turbulence

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3676449

PUBLICATION DATA

ISSN

1070-6631 (print)  
1089-7666 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    J. G. Wouchuk, C. H. R. de Lira, and A. L. Velikovich, “Analytical linear theory for the interaction of a planar shock wave with an isotropic turbulent vorticity field,” Phys. Rev. E 79, 066315 (2009).

    L. Jacquin, C. Cambon, and E. Blin, “Turbulence amplification by a shock wave and rapid distortion theory,” Phys. Fluids 5, 2539 (1993)PFADEB000005000010002539000001.

    J. Larsson and S. K. Lele, “Direct numerical simulation of canonical shock/turbulence interaction,” Phys. Fluids 21, 126101 (2009)PHFLE6000021000012126101000001.

    S. K. Lele, “Shock-jump relations in a turbulent flow,” Phys. Fluids 4, 2900 (1992)PFADEB000004000012002900000001.

    P. A. Davidson, “The minimum energy decay rate in quasi-isotropic grid turbulence,” Phys. Fluids 23, 085108 (2011)PHFLE6000023000008085108000001.


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