Elliptic and magneto-elliptic instabilities

Vortices are the fundamental units of turbulent flow. Understanding their stability properties therefore provides fundamental insights on the nature of turbulence itself. In this contribution I briely review the phenomenological aspects of the instability of elliptic streamlines, in the hydro (ellip...

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Bibliographic Details
Published in:EPJ Web of conferences 2013-01, Vol.46, p.4003-04003
Main Author: Lyra, Wladimir
Format: Article
Language:English
Subjects:
Fluid dynamics
Fluid flow
Instability
Stability
Survival
Turbulence
Turbulent flow
Vortices
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Summary:Vortices are the fundamental units of turbulent flow. Understanding their stability properties therefore provides fundamental insights on the nature of turbulence itself. In this contribution I briely review the phenomenological aspects of the instability of elliptic streamlines, in the hydro (elliptic instability) and hydromagnetic (magneto-elliptic instability) regimes. Vortex survival in disks is a balance between vortex destruction by these mechanisms, and vortex production by others, namely, the Rossby wave instability and the baroclinic instability.
ISSN:2100-014X
2100-014X
DOI:10.1051/epjconf/20134604003