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SUMMARY:Unsteady aerodynamics in large-disturbance flows: Gust encounters 
 and maneuvering wings - Anya Jones\, U. Maryland
DTSTART:20230203T160000Z
DTEND:20230203T170000Z
UID:TALK195025@talks.cam.ac.uk
CONTACT:Prof. Jerome Neufeld
DESCRIPTION:Wings experiencing large flow disturbances often experience ma
 ssive flow separation resulting in shear layers and the formation of stron
 g vortices. These vortices typically lead to large force and moment transi
 ents and thus it is of interest to understand how changes in vorticity wit
 hin a flow give rise to unsteady forces and how we might control these flo
 ws and forces. Using a combination of experimental\, numerical\, and theor
 etical approaches\, examples of these flows are given\, including gust enc
 ounters and maneuvering wings. Data analysis focuses on vortex formation a
 nd how the transport of vorticity gives rise to unsteady loading on liftin
 g surfaces and how transient loads might be mitigated via wing maneuvers. 
 As a general rule\, two-dimensional and linear models are found to capture
  the essential physics of these types of flows and provide reasonable pred
 ictions of unsteady lift for short times after large flow disturbances. Gu
 st response mitigation can be achieved using classical control theory to e
 xploit the separated flow physics.\n\nhttps://cassyni.com/s/fmws
LOCATION:Webinar -(see abstract for link)
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