European Turbulence Conference 14

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Influence of the stratification on the turbulent convective flow in a tilted channel

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Averaging the small scales of a turbulent flow has the consequence to introduce new stresses, the Reynolds stresses, in the equations followed by the averaged velocity. For the closure of these equations, one has to relate these stresses to the properties of the averaged velocity field. For instance, a popular approximation for the shear stress is the so called Smagorinsky [1] one, which relates it to the transverse velocity gradient.

Author(s):

Éléonore Rusaouën    
Laboratoire de physique / ENS Lyon
France

Xavier Riedinger    
Laboratoire de physique / ENS Lyon
France

Jean-Christophe Tisserand    
Laboratoire de physique / ENS Lyon
France

Fanny Seychelles    
Laboratoire de physique / ENS Lyon
France

Julien Salort    
Laboratoire de physique / ENS Lyon
France

Bernard Castaing    
Laboratoire de physique / ENS Lyon

Francesca Chillà    
Laboratoire de physique / ENS Lyon
France

 

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