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SUMMARY:The Fluid Dynamics of Atmospheric Vortices - Jack Atkinson. Univer
 sity of Cambridge (CUED)
DTSTART:20170616T120000Z
DTEND:20170616T130000Z
UID:TALK72178@talks.cam.ac.uk
CONTACT:Garazi Gomez-de-Segura
DESCRIPTION:There are a number of different phenomena that can form in the
  atmosphere known as collectively as atmospheric vortices. Some of these\,
  such as the hurricane or tornado\, are well known\, whilst others\, like 
 the dust devil or waterspout\, are less so. All of these flows display sim
 ilar structural features\; swirling flow about some central axis that conv
 erges at the base before rising upwards. Despite this\, they all occur acr
 oss a range of scales and in a variety of climes. This talk will provide a
 n introduction to a number of different atmospheric vortices and explore s
 ome of the the fluid mechanical principles behind them. \n\nI will also ta
 ke a look more specifically at the subject of eyes and eye formation\; an 
 interesting topic with a number of different theories. Our simulations sup
 port a recent theory for eye formation based on vortex dynamics considerat
 ions\, and further indicate that the eye may in fact be an unstable struct
 ure subject to bifurcation at a high enough governing parameter.
LOCATION:LR3B\, Inglis Building\, CUED 
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