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Structure of the channel flow behind a surface-mounted rib under conditions of laminar-turbulent transition

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Thermophysics and Aeromechanics Aims and scope

Abstract

The PIV technique was used to measure the instantaneous vector fields of flow velocity and vorticity behind a thin cross-flow rib installed in a channel with laminar, transient, or turbulent flow. The data were treated statistically to determine the fields of mean longitudinal flow velocity and the correlations of pulsating velocity components 〈u′ν′〉 and 〈u′u′〉. Some features of the flow structure developing under conditions of laminar-turbulent transition behind the rib have been revealed.

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Authors and Affiliations

  1. Research Center for Power-Engineering Problems, Kazan Scientific Center RAS, Kazan, Russia

    O. A. Dushina, V. M. Molochnikov, A. A. Paereliy & N. I. Mikheev

  2. Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia

    V. V. Lemanov

Authors
  1. O. A. Dushina
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  2. V. M. Molochnikov
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  3. A. A. Paereliy
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  4. N. I. Mikheev
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  5. V. V. Lemanov
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Correspondence to V. M. Molochnikov.

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Dushina, O.A., Molochnikov, V.M., Paereliy, A.A. et al. Structure of the channel flow behind a surface-mounted rib under conditions of laminar-turbulent transition. Thermophys. Aeromech. 17, 323–335 (2010). https://doi.org/10.1134/S0869864310030030

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  • DOI: https://doi.org/10.1134/S0869864310030030

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