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Hot-wire visualization of breakdown to turbulence in complex flows

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Thermophysics and Aeromechanics Aims and scope

Abstract

The nonlinear stage of breakdown to turbulence is a strongly three-dimensional process and represents a difficult task for experimental studies. Investigation of laminar-turbulent transition in aerospace applications additionally involves a complex base-flow with pressure gradients and secondary velocity components resulting in successive increase of necessary measurements. The developed hot-wire visualization technique offers a possibility for an advanced analysis whilst retaining the advantages of traditional visualization methods and is especially suitable for resolving such complex flows.

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Authors and Affiliations

  1. Khristianovich Institute of Theoretical and Applied Mechanics SB RAS, Novosibirsk, Russia

    V. G. Chernoray & V. V. Kozlov

  2. Applied Mechanics, Chalmers University of Technology, Goeteborg, Sweden

    L. Loefdahl

  3. School of Aeronautical Engineering, The Queen’s University of Belfast, Belfas, Northern Ireland

    P. R. Pratt

Authors
  1. V. G. Chernoray
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  2. V. V. Kozlov
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  3. L. Loefdahl
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  4. P. R. Pratt
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Additional information

Thanks are due to the Royal Swedish Academy of Sciences, the Swedish Energy Agency (Energimyndigheten). The work was financially supported by the President of the Russian Federation (Grant No. NSh-964.2003.1), the Russian Foundation for Basic Research (Grant No. 05-01-00034) and Ministry of Education and Sciences of the Russian Federation (Grant No. RNP.2.1.2.3370).

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Chernoray, V.G., Kozlov, V.V., Loefdahl, L. et al. Hot-wire visualization of breakdown to turbulence in complex flows. Thermophys. Aeromech. 13, 213–220 (2006). https://doi.org/10.1134/10.1134/S0869864306020053

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  • DOI: https://doi.org/10.1134/10.1134/S0869864306020053

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