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<p>Experimental investigations on detection of the physical mechanisms and factors, responsible for the structurally similar forms of spiral-vortex motion of fluid media, have been performed. A confirmation of the theoretical dependence, defining the relation between the geometric sizes of three-dimensional spiral-vortex formations and the frequencies of vortex motion in them, has been obtained. By the example of an impact swirling flow, it is shown that a determinate large-scale vortex structure of a fluid medium is formed as a result of the crisis of the thermodynamic stability of the medium, corresponding to the phenomenon of crisis of a swirling flow.</p>

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Experimental Investigations of the Stable Form of the Vortex Structure of a Swirling Flow

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • O. V. Mitrofanova,
  • I. G. Pozdeeva,
  • N. A. Starovoitov

摘要

Experimental investigations on detection of the physical mechanisms and factors, responsible for the structurally similar forms of spiral-vortex motion of fluid media, have been performed. A confirmation of the theoretical dependence, defining the relation between the geometric sizes of three-dimensional spiral-vortex formations and the frequencies of vortex motion in them, has been obtained. By the example of an impact swirling flow, it is shown that a determinate large-scale vortex structure of a fluid medium is formed as a result of the crisis of the thermodynamic stability of the medium, corresponding to the phenomenon of crisis of a swirling flow.