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SUMMARY:Particle-driven convection - Megan Davies Wykes (University of Cam
 bridge)
DTSTART:20251030T113000Z
DTEND:20251030T123000Z
UID:TALK236641@talks.cam.ac.uk
CONTACT:Catherine Pearson
DESCRIPTION:Particle-driven convection occurs when a dense particle-laden 
 layer settles into a layer of clear fluid. This can drive a variation on t
 he classical Rayleigh-Taylor instability\, where particles induce the dens
 ity difference between the two fluids. Variants of this instability occur 
 in many geophysical flows\, such as the undersides of volcanic ash clouds\
 , sediment-laden river outflows\, and the dynamics of droplets in clouds. 
 This talk will present some new experimental results of Rayleigh-Taylor in
 stability occurring between a particle-laden and fresh-water layers. I wil
 l also present some preliminary results that examine the effect of adding 
 salt to the lower layer. For this second case\, the initial stratification
  is stable\, but becomes unstable due to particle settling.
LOCATION:Open Plan Area\, Institute for Energy and Environmental Flows\, M
 adingley Rise CB3 0EZ
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