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SUMMARY:The evolution of laminar thermals - from blob\, to jellyfish\, to 
 ring. - Jack Atkinson (Department of Geography\, Cambridge)
DTSTART:20191205T130000Z
DTEND:20191205T140000Z
UID:TALK131209@talks.cam.ac.uk
CONTACT:Thomas Aubry
DESCRIPTION:Buoyancy is a key aspect many of geophysical phenomena\; varia
 tions in temperature drive our weather patterns\, whilst salinity is respo
 nsible for the ocean currents. Elsewhere buoyancy is also present in many 
 industrial processes.\n \nIn this talk I will focus on a particular buoyan
 t phenomenon: the thermal.\nThese are isolated anomalies that undergo moti
 on relative to their surroundings as a result of buoyancy forces. The turb
 ulent case was first examined by Scorer (1957) with the intention of under
 standing the homonymous phenomenon exploited by birds and glider pilots\n 
 \nThe laminar case is less well studied\, however. Though aspects are touc
 hed upon by other authors\, there is no study of the entire life cycle. We
  seek to present an overarching framework by which the evolution of a lami
 nar thermal can be viewed. This theory is then explored through a series o
 f numerical simulations.\n 
LOCATION:Rm 101\, William Hardy Building\, Department of Geography\, Downi
 ng Site
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