Instability of helical tip vortices in rotor wakes

The conditions for the appearance of instabilities in systems of helical vortices constitute an intriguing problem that still remains partly unsolved. The experimental study of Felli, Camussi & Di Felice (J. Fluid Mech., this issue, vol. 682, 2011, pp. 5–53) has shed new light on some of the bas...

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Veröffentlicht in:	Journal of fluid mechanics 2011-09, Vol.682, p.1-4
1. Verfasser:	SOeRENSEN, J N
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerodynamics Applied fluid mechanics Exact sciences and technology Fluid dynamics Fluid flow Fluid mechanics Fluids Focus on Fluids Fundamental areas of phenomenology (including applications) Helical Instability Physics Stability Wakes Wing tip vortices
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Beschreibung
Zusammenfassung:	The conditions for the appearance of instabilities in systems of helical vortices constitute an intriguing problem that still remains partly unsolved. The experimental study of Felli, Camussi & Di Felice (J. Fluid Mech., this issue, vol. 682, 2011, pp. 5–53) has shed new light on some of the basic mechanisms governing the instability mechanisms.
ISSN:	0022-1120 1469-7645
DOI:	10.1017/jfm.2011.277