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Parametric experimental investigations of the fields of turbulent wall pressure fluctuations on the surface of steps are performed. A considerable effect of the obstacle height on the spectral composition of… Click to show full abstract
Parametric experimental investigations of the fields of turbulent wall pressure fluctuations on the surface of steps are performed. A considerable effect of the obstacle height on the spectral composition of the pressure fluctuations behind the leading edge is shown. The transformation of the spectral composition at different observation points is illustrated. The influence of the boundary layer thickness and the sweep angle is shown to be relatively weak. The spatial variation of the local correlation scales and the convective properties of the pressure fluctuation field on the step surface is illustrated.
Journal Title: Fluid Dynamics
Year Published: 2018
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