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SUMMARY:Enhanced Dissipation and Transition Threshold for the Poiseuille F
 low on $\\mathcal{T}\\times\\mathcal{R}$ - Augusto Del Zotto (Imperial Col
 lege)
DTSTART:20220525T140000Z
DTEND:20220525T150000Z
UID:TALK174179@talks.cam.ac.uk
CONTACT:Daniel Boutros
DESCRIPTION:Mixing in fluid flows is a complex phenomenon that can be stud
 ied from a mathematical point of view. In this talk\, we present how mixin
 g can help us understand the dissipation of energy and the stability of so
 lutions. In particular\, we study perturbations of the 2D Poiseuille flow 
 and we give some results on enhanced dissipation and on the long time limi
 t. On a more technical level\, we prove that the enhanced dissipation rate
  is proportional to $\\nu{1/2}$ and the transition threshold is $\\nu{2/3}
 $.
LOCATION:Venue to be confirmed
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