Abstract
This paper describes an experimental program conducted by ONERA to study the wavenumberfrequency spectrum /Cf/2 , boundary layer thickness, displacement thickness and momentum thickness, Ax! hydrophones spacing, P (co) wall pressure frequency spectral density, P(oo) wall pressure frequency spectral density filtered by an hydrophone, AIAA96-1758 Op(co) acoustic component of OP(co), OP (k, co) wavenumber-frequency spectrum, OPlk,a>) acoustic component of Oplk,coj, \JL dynamic viscosity, cinematic viscosity v = }i/p, frequency, Strouhal numbers coSj/U^, co8/UM , hydrophone spatial sensitivity, fluid density, v CO co*,Q wall shear stress T_ = ju. —V2 x2=0
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