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SUMMARY:Free convection of yield-stress fluids: The path between theory an
 d observations - Ida Karimfazli\, Concordia University\, Montreal
DTSTART:20251105T140000Z
DTEND:20251105T150000Z
UID:TALK240199@talks.cam.ac.uk
CONTACT:Anna Walczyk
DESCRIPTION:Understanding heat transfer and stability in processes ranging
  from geological flows to industrial and energy-storage applications requi
 res accurate modeling of soft materials. Yet\, as experiments and simulati
 ons become more precise\, new discrepancies emerge between what we observe
  and what we predict\, especially for complex\, non-Newtonian materials. Y
 ield-stress fluids\, which behave like solids until a critical stress is r
 eached\, are commonly modeled as viscoplastic materials. While these model
 s capture many flow features\, they can miss important aspects of real flo
 ws driven by buoyancy.\n\nIn this talk\, I will present recent experimenta
 l\, theoretical\, and numerical studies of natural convection in yield-str
 ess fluids\, revealing when and why standard models succeed or break down.
  The findings shed light on the physical mechanisms that control the onset
  and evolution of motion and point toward what the next generation of rheo
 logical models must capture.
LOCATION:JDB Seminar RM
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