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Interaction between Two Oppositely Swirled Submerged Jets

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Abstract

The problem of the interaction between two oppositely swirled jets of viscous incompressible fluid issuing from parallel tubes into the submerged space is considered. The scenario of the confluence of the two jets into a single jet is determined on the basis of a numerical solution. It is shown that far from the sources the flow is described by the self-similar axisymmetric Landau solution for a single swirled jet. The longitudinal vorticity field far from the source is also self-similar, with a complex decay rate. The asymptotic structure of the far field of the jet is discussed.

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Acknowledgments

The authors wish to thank A.V. Zoubtsov for the discussion of the results of the study.

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Authors and Affiliations

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

    A. M. Gaifullin & V. V. Zhvick

  2. Moscow Institute of Physics and Technology, Institutskii per. 9, Dolgoprudny, Moscow oblast, 141701, Russia

    A. M. Gaifullin & V. V. Zhvick

Authors
  1. A. M. Gaifullin
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  2. V. V. Zhvick
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Corresponding authors

Correspondence to A. M. Gaifullin or V. V. Zhvick.

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Russian Text © The Author(s), 2019, published in Izvestiya RAN. Mekhanika Zhidkosti i Gaza, 2019, No. 3, pp. 48–57.

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Gaifullin, A.M., Zhvick, V.V. Interaction between Two Oppositely Swirled Submerged Jets. Fluid Dyn 54, 339–348 (2019). https://doi.org/10.1134/S001546281902006X

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  • DOI: https://doi.org/10.1134/S001546281902006X

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