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Interference of separated flows behind backward-facing step in the presence of passive control

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Abstract

The interaction of turbulent separated flows behind a backward-facing step in the presence of a passive miniturbulizer has been experimentally studied using digital particle-tracking velocimetry techniques. It is established that an obstacle placed in front of the step modifies the profiles of velocity and turbulent pulsation and significantly changes the length of a recirculation zone.

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Authors and Affiliations

  1. Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia

    V. I. Terekhov, Ya. I. Smul’skii & K. A. Sharov

Authors
  1. V. I. Terekhov
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  2. Ya. I. Smul’skii
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  3. K. A. Sharov
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Correspondence to V. I. Terekhov.

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Original Russian Text © V.I. Terekhov, Ya.I. Smul’skii, K.A. Sharov, 2012, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2012, Vol. 38, No. 3, pp. 46–53.

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Terekhov, V.I., Smul’skii, Y.I. & Sharov, K.A. Interference of separated flows behind backward-facing step in the presence of passive control. Tech. Phys. Lett. 38, 125–128 (2012). https://doi.org/10.1134/S1063785012020149

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  • DOI: https://doi.org/10.1134/S1063785012020149

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