Vortex reconnection in a swirling flow

Processes of vortex reconnection on a helical vortex, which is formed in a swirling flow in a conical diffuser, have been studied experimentally. It has been shown that reconnection can result in the formation of both an isolated vortex ring and a vortex ring linked with the main helical vortex. A n...

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Veröffentlicht in:JETP letters 2016-04, Vol.103 (7), p.455-459
Hauptverfasser: Alekseenko, S. V., Kuibin, P. A., Shtork, S. I., Skripkin, S. G., Tsoy, M. A.
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Sprache:eng
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Zusammenfassung:Processes of vortex reconnection on a helical vortex, which is formed in a swirling flow in a conical diffuser, have been studied experimentally. It has been shown that reconnection can result in the formation of both an isolated vortex ring and a vortex ring linked with the main helical vortex. A number of features of vortex reconnection, including the effects of asymmetry, generation of Kelvin waves, and formation of various bridges, have been described.
ISSN:0021-3640
1090-6487
DOI:10.1134/S002136401607002X