CNRSTurbulence studies with cryogenic helium
cryogenic helium turbulence group, CNRS, Grenoble [P.-E. Roche 2018]

Rayleigh-Bénard convection and Ultimate regime of convection


 

Ultimate regime of convection / Kraichnan regime

 

  • Discovery and characterization the Ultimate state of convection
  • Triggering and blockage of the transition to the Ultimate state of convection
  • ...

 

Hard turbulence regime

 

  • Pr dependence
  • Large scale flow multi-stability
  • Non-Boussinesq effects
  • Roughness effects
  • Side-wall effects
  • Spherical geometry
  • ...
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