Influence of Surface Roughness Geometry on Trailing Edge Wall Pressure Fluctuations and Noise

Surface roughness elements are commonly used in wind tunnel testing to hasten the laminar-turbulent transition of the boundary layer in model tests to mimic the aerodynamic effects present in the full-scale application. These devices can alter the characteristics of the turbulent boundary layer, suc...

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Veröffentlicht in:	arXiv.org 2021-07
Hauptverfasser:	dos Santos, Fernanda L, Even, Nikolaj A P, Botero-Bolívar, Laura, Venner, Cornelis H, de Santana, Leandro D
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerodynamics Angle of attack Boundary layer thickness Boundary layer transition Coherence Fluid flow Frequency ranges High frequencies Model testing Noise Orange peel Physics - Fluid Dynamics Rapid prototyping Reynolds number Surface roughness Surface roughness effects Trailing edges Turbulent boundary layer Wall pressure Wind tunnel testing Wind tunnels Zero angle of attack
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