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Analytical and numerical investigation of formation of a vortex ring in the process of rising of a thermal in the atmosphere

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Abstract

Formation of a vortex ring in the process of rising a heated light volume of air medium in the Earth’s gravity field is investigated. The results of calculations carried out on various computational grids are compared both with each other and with solutions of the approximate analytical theory of formation and motion of a buoyant vortex ring approved by the available experimental data. A good agreement between all the data is obtained.

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Authors and Affiliations

  1. Russian Federal Nuclear Center, All-Russian Research Institute of Experimental Physics, pr. Mira 37, Nizhny Novgorod oblast, Sarov, 607188, Russia

    O. G. Sin’kova, V. P. Statsenko & Yu. V. Yanilkin

Authors
  1. O. G. Sin’kova
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  2. V. P. Statsenko
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  3. Yu. V. Yanilkin
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Correspondence to O. G. Sin’kova.

Additional information

Original Russian Text © O.G. Sin’kova, V.P. Statsenko, and Yu.V. Yanilkin, 2017, published in Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, 2017, No. 4, pp. 39–51.

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Sin’kova, O.G., Statsenko, V.P. & Yanilkin, Y.V. Analytical and numerical investigation of formation of a vortex ring in the process of rising of a thermal in the atmosphere. Fluid Dyn 52, 495–506 (2017). https://doi.org/10.1134/S0015462817040044

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  • DOI: https://doi.org/10.1134/S0015462817040044

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