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Special features of flow in an annular jet impinging on a barrier

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Abstract

The results of an experimental investigation of the flowfield between a nozzle and a flat wall exposed to normal annular-jet flow are presented. Emphasis is placed on an investigation of the stagnation flow region near the wall. The distributions of the mean and fluctuating flow parameters are measured using a PIV system. It is shown that, compared with a round jet, the fluctuation intensity in the annular jet increases, which can be one of the reasons for heat transfer enhancement at the frontal point.

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Authors and Affiliations

  1. Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy of Science, pr. Akademika Lavrent’eva 1, Novosibirsk, 630090, Russia

    S. V. Kalinina, V. I. Terekhov & K. A. Sharov

Authors
  1. S. V. Kalinina
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  2. V. I. Terekhov
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  3. K. A. Sharov
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Corresponding author

Correspondence to S. V. Kalinina.

Additional information

Original Russian Text © S.V. Kalinina, V.I. Terekhov, K.A. Sharov, 2015, published in Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, 2015, Vol. 50, No. 5, pp. 76–84.

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Kalinina, S.V., Terekhov, V.I. & Sharov, K.A. Special features of flow in an annular jet impinging on a barrier. Fluid Dyn 50, 665–671 (2015). https://doi.org/10.1134/S0015462815050087

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  • DOI: https://doi.org/10.1134/S0015462815050087

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