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SUMMARY:TBC \; Effect of boundary-layer shear on trailing-edge noise - Owe
 n Petrie\; David Baker\, DAMTP
DTSTART:20170601T100000Z
DTEND:20170601T110000Z
UID:TALK72264@talks.cam.ac.uk
CONTACT:David Baker
DESCRIPTION:*A pair of talks in preparation for presentation at the 23rd A
 nnual AIAA Conference in early June*\n\n* Owen Petrie : _Title TBC_\n\nAbs
 tract TBC\n\n\n* David Baker : _Effect of boundary-layer shear on trailing
 -edge noise_\n\nPrevious studies have shown that passive devices near the 
 trailing-edge of an aerofoil can greatly reduce noise\, though the physica
 l mechanism is unclear. Careful experimental investigation has shown chang
 es to both the profile of the turbulent boundary layer and the position of
  the turbulence therein. With this in mind\, a mathematical model of the e
 ffect of boundary layer modification on scattered noise is considered\, bo
 th numerically and\, where possible\, analytically. This Wiener-Hopf based
  analysis\, concentrating on the sharp\ntrailing-edge of an aerofoil\, can
  be extended to other mixed boundary value problems. For example\, it allo
 ws for reappraisal of previous work on junctions between hard and pressure
 -release walls.
LOCATION:CMS\, MR11
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