Two vortex rings produce chaos

We study the streamlines of the velocity field produced by two unlinked vortex rings. We find that two vortex rings can produce chaos and observe a route to chaos directly from periodic orbits. From the case study of numerous ring configurations we give conditions for integrability of streamlines. W...

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Veröffentlicht in:	Europhysics letters 2000-11, Vol.52 (4), p.399-405
Hauptverfasser:	Huang, Y, Schorghofer, N, Ching, E. S. C
Format:	Artikel
Sprache:	eng
Schlagworte:	05.45.Ac 47.32.Cc 47.52.+j Chaos Classical chaos Exact sciences and technology Fluid dynamics Fundamental areas of phenomenology (including applications) Low-dimensional chaos Nonlinear dynamics and nonlinear dynamical systems Physics Rotational flow and vorticity Statistical physics, thermodynamics, and nonlinear dynamical systems Vortex dynamics
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Beschreibung
Zusammenfassung:	We study the streamlines of the velocity field produced by two unlinked vortex rings. We find that two vortex rings can produce chaos and observe a route to chaos directly from periodic orbits. From the case study of numerous ring configurations we give conditions for integrability of streamlines. We also find that near the larger ring or the stronger ring there are more stable regular structures.
ISSN:	0295-5075 1286-4854
DOI:	10.1209/epl/i2000-00108-7