Vortex reconnection in a swirling flow

S. V. Alekseenko; P. A. Kuibin; S. I. Shtork; S. G. Skripkin; M. A. Tsoy

doi:10.1134/S002136401607002X

Vortex reconnection in a swirling flow

Authors: Alekseenko S.V.¹^,2, Kuibin P.A.¹^,2, Shtork S.I.¹^,2, Skripkin S.G.¹^,2, Tsoy M.A.¹^,2
Affiliations:
1. Kutateladze Institute of Thermophysics, Siberian Branch
2. Novosibirsk State University
Issue: Vol 103, No 7 (2016)
Pages: 455-459
Section: Plasma, Hydro- and Gas Dynamics
URL: https://journals.rcsi.science/0021-3640/article/view/159202
DOI: https://doi.org/10.1134/S002136401607002X
ID: 159202

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Abstract

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.