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SUMMARY:Lagrangian Coherent Structures in Urban Flows - Wengbo Tang\, ASU
DTSTART:20101104T113000Z
DTEND:20101104T123000Z
UID:TALK26484@talks.cam.ac.uk
CONTACT:Catherine Pearson
DESCRIPTION:Accurate extraction of flow coherent structures is important f
 or studies on transport and mixing processes in urban flows. \nRecent rese
 arch show that Lagrangian Coherent Structures (LCS) form the template of f
 luid stirring and is an objective tool to characterize unstable motion in 
 nonlinear velocity fields. In this talk\, I'll discuss how LCS can be used
  to evaluate urban transport processes. In particular\, I will show a rece
 nt study of real-time remote-sensing data from Hong Kong International Air
 port. Our study shows that LCS is capable of revealing air disturbances th
 at are dangerous to aircraft  operations during take-offs and landings. Th
 is allows possible developments of more accurate turbulence indices  based
  on Lagrangian measures.
LOCATION:Open Plan Area\, BP Institute
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