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SUMMARY:When wings meet vortical gusts - Paras Vadher\, CUED
DTSTART:20250611T130000Z
DTEND:20250611T140000Z
UID:TALK232798@talks.cam.ac.uk
CONTACT:Anna Walczyk
DESCRIPTION:Control systems capable of mitigating the effects of wind gust
 s are crucial for enabling small\, slow-flying air vehicles and wind turbi
 nes to operate in hostile unsteady environments. For effective real-time r
 esponse\, the control systems require physics-based low-order models (LOMs
 ). LOMs are mathematical formulations that estimate the force response to 
 disturbances and provide mitigatory control input with short computation t
 imes. In recent experimental studies\, a LOM constructed from classical\, 
 linearised\, unsteady theory has been successfully used to predict wing fo
 rces in response to streamwise and transverse gusts [1]. This work further
  extends these studies to the mitigation of forces on a wing encountering 
 a spanwise vortex gust. \n \nThis research requires carefully controlled e
 xperiments in which a wing is exposed to a well-defined vortex. Pitching a
 n upstream wing results in the shedding of a starting vortex\, which can b
 e characterised as the vortex gust. The talk will begin by systematically 
 exploring the factors governing the production of starting vortices by pit
 ching wings. Following this\, the talk will investigate the ability of the
  LOM to predict the forces experienced in a wing-vortex gust encounter\, b
 efore finally employing the LOM to produce wing pitch profiles that mitiga
 te the lift transients.
LOCATION:JDB Seminar RM
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