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SUMMARY:Modelling porosity and the prediction of trailing edge noise - Lor
 na Ayton (University of Cambridge)
DTSTART:20201124T110000Z
DTEND:20201124T120000Z
UID:TALK152122@talks.cam.ac.uk
CONTACT:Mungo G. Aitken
DESCRIPTION:The linear Darcy condition across a thin aerofoil\, akin to an
  impedance boundary condition\, is often used for modelling trailing-edge 
 noise from porous aerofoil\, however these models over predict the noise r
 eduction for high frequencies. Whilst some of this discrepancy can be put 
 down to noise generated by surface roughness\, this talk discusses the val
 idity of the Darcy boundary condition and compares these linear prediction
 s which only account for the effects of viscosity to non-linear models whi
 ch also include the effects of inertial via the Forchheimer equation.
LOCATION:Microsoft Teams 
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