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SUMMARY:Efficient mixing in stratified flows: Rayleigh-Taylor instability 
 within a stable stratification\, experiments and computation. - Megan Davi
 es\, DAMTP
DTSTART:20131101T130000Z
DTEND:20131101T140000Z
UID:TALK46953@talks.cam.ac.uk
CONTACT:Dr Henry Burridge
DESCRIPTION:When a Rayleigh-Taylor unstable interface is confined within a
 n otherwise stable stratification the resulting mixing efficiency can be h
 igher than 75%. This process has been investigated through the use of labo
 ratory experiments\, computational numerics and a simple theoretical model
 . Boussinesq laboratory experiments will be presented\, which examine thre
 e distinct initial stratifications. Computational experiments using an ILE
 S code have also been performed.  The mixing efficiency of laboratory and 
 computational experiments agrees very well. A theoretical model\, develope
 d to predict the size of the turbulent mixing region that grows at the uns
 table interface\, matches the results of laboratory experiments.
LOCATION:LR3B\, Inglis Building\, CUED.
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