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Distinctive features of the pressure fluctuation fields in the vicinities of bulges

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Abstract

The fields of near-wall turbulent pressure fluctuations formed as a result of flow over bulges are experimentally investigated. Three zones in the vicinities of the bulges characterized by high levels of the pressure fluctuations are found to exist. The effects of the streamwise bulge length and its width in the direction perpendicular to the flow on the pressure fluctuation field parameters are studied. It is shown that the zones with high pressure fluctuation levels start to interact, as they draw close together.

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Authors and Affiliations

  1. Central Aerohydrodynamic Institute (TsAGI), ul. Zhukovskogo 1, Zhukovsky, Moscow oblast, 140180, Russia

    A. Yu. Golubev & B. M. Efimtsov

Authors
  1. A. Yu. Golubev
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  2. B. M. Efimtsov
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Correspondence to A. Yu. Golubev.

Additional information

Original Russian Text © A.Yu. Golubev, B.M. Efimtsov, 2015, published in Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, 2015, Vol. 50, No. 1, pp. 55–66.

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Golubev, A.Y., Efimtsov, B.M. Distinctive features of the pressure fluctuation fields in the vicinities of bulges. Fluid Dyn 50, 50–60 (2015). https://doi.org/10.1134/S0015462815010068

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  • DOI: https://doi.org/10.1134/S0015462815010068

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