Analytical and experimental investigation into the effects of leading-edge radius on gust–aerofoil interaction noise

Analytical and experimental investigation into the effects of leading-edge radius on gust–aerofoil interaction noise

This paper investigates the effects of local leading-edge geometry on unsteady aerofoil interaction noise. Analytical results are obtained by extending previous work for parabolic leading edges to leading edges of the form $x^{m}$ for $0

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Veröffentlicht in:Journal of fluid mechanics 2017-10, Vol.829, p.780-808
Hauptverfasser: Ayton, Lorna J., Chaitanya, Paruchuri
Format: Artikel
Sprache:eng
Schlagworte:
Acoustic noise
Acoustics
Aerodynamics
Airfoils
Compressibility
Computational fluid dynamics
Fluid mechanics
Geometry
Gusts
Isotropic turbulence
Leading edges
Mathematical analysis
Noise
Noise generation
Noise prediction (aircraft)
Nose
Trends
Turbulence
Turbulent flow
Uniform flow
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Zusammenfassung:This paper investigates the effects of local leading-edge geometry on unsteady aerofoil interaction noise. Analytical results are obtained by extending previous work for parabolic leading edges to leading edges of the form $x^{m}$ for $0
ISSN:0022-1120
1469-7645
DOI:10.1017/jfm.2017.594