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CATEGORIES:Institute for Energy and Environmental Flows (IEEF
 )
SUMMARY:Particle-driven convection - Megan Davies Wykes (U
 niversity of Cambridge)
DTSTART;TZID=Europe/London:20251030T113000
DTEND;TZID=Europe/London:20251030T123000
UID:TALK236641AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/236641
DESCRIPTION:Particle-driven convection occurs when a dense par
 ticle-laden layer settles into a layer of clear fl
 uid. This can drive a variation on the classical R
 ayleigh-Taylor instability\, where particles induc
 e the density difference between the two fluids. V
 ariants of this instability occur in many geophysi
 cal flows\, such as the undersides of volcanic ash
  clouds\, sediment-laden river outflows\, and the 
 dynamics of droplets in clouds. This talk will pre
 sent some new experimental results of Rayleigh-Tay
 lor instability occurring between a particle-laden
  and fresh-water layers. I will also present some 
 preliminary results that examine the effect of add
 ing salt to the lower layer. For this second case\
 , the initial stratification is stable\, but becom
 es unstable due to particle settling.
LOCATION:Open Plan Area\, Institute for Energy and Environm
 ental Flows\, Madingley Rise CB3 0EZ
CONTACT:Catherine Pearson
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