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CATEGORIES:Cambridge Philosophical Society
SUMMARY:LARMOR LECTURE Surging cylinders\, flapping wings 
 and gust encounters: Force production in unsteady 
 flows - Professor Holger Babinsky\, Professor of A
 erodynamics\,  Department of Engineering
DTSTART;TZID=Europe/London:20241028T180000
DTEND;TZID=Europe/London:20241028T190000
UID:TALK221635AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/221635
DESCRIPTION:Unsteady effects occur in many natural and technic
 al flows\, for example around flapping wings or du
 ring aircraft gust encounters. If the unsteadiness
  is large\, the resulting forces can be quite cons
 iderable. However\, the exact physical mechanisms 
 underlying the generation of unsteady forces are c
 omplex and their accurate prediction remains chall
 enging. One strategy is to identify the dominant e
 ffects and describe these with simple analytical m
 odels\, first proposed a hundred years ago. When u
 sed successfully\, this approach has the advantage
  that it also gives us a conceptual understanding 
 of unsteady fluid mechanics. \n\nIn this lecture I
  will explain some of these ideas and demonstrate 
 how they can still be useful today. As a practical
  example\, I will show how the forces experienced 
 in a wing-gust encounter can be predicted – and ho
 w the predictions can be used to mitigate the gust
  effects. The lecture will be illustrated with ima
 ges and videos from simple\, canonical\, experimen
 ts.
LOCATION:Bristol-Myers Squibb Lecture Theatre\, Department 
 of Chemistry
CONTACT:Beverley Larner
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