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INSTABILITY OF TURBULENCE

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We study the instabilities and transitions observed in a fully turbulent von Karman flow. We show that, in a given geometry, the turbulence states depend on the way energy is injected into the flow.

Author(s):

François Daviaud    
SPHYNX/SPEC/DSM/CEA Saclay
France

Brice Saint Michel    
SPHYNX/SPEC/DSM/CEA Saclay
France

Pierre-Philippe Cortet    
FAST - CNRS
France

Eric Herbert    
FAST - CNRS
France

Louis Marié    
Laboratoire de Physique des Océans / CNRS/IFREMER/IRD/UBO
France

Florent Ravelet    
Laboratoire Dynuid, ENSAM ParisTech
France

Bérengère Dubrulle    
SPHYNX/SPEC/DSM/CEA Saclay
France