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SUMMARY:LARMOR LECTURE Surging cylinders\, flapping wings and gust encount
 ers: Force production in unsteady flows - Professor Holger Babinsky\, Prof
 essor of Aerodynamics\,  Department of Engineering
DTSTART:20241028T180000Z
DTEND:20241028T190000Z
UID:TALK221635@talks.cam.ac.uk
CONTACT:Beverley Larner
DESCRIPTION:Unsteady effects occur in many natural and technical flows\, f
 or example around flapping wings or during aircraft gust encounters. If th
 e unsteadiness is large\, the resulting forces can be quite considerable. 
 However\, the exact physical mechanisms underlying the generation of unste
 ady forces are complex and their accurate prediction remains challenging. 
 One strategy is to identify the dominant effects and describe these with s
 imple analytical models\, first proposed a hundred years ago. When used su
 ccessfully\, this approach has the advantage that it also gives us a conce
 ptual understanding of unsteady fluid mechanics. \n\nIn this lecture I wil
 l 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 how the predictions can be
  used to mitigate the gust effects. The lecture will be illustrated with i
 mages and videos from simple\, canonical\, experiments.
LOCATION:Bristol-Myers Squibb Lecture Theatre\, Department of Chemistry
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