Noise from a rotor ingesting a thick boundary layer and relation to measurements of ingested turbulence
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2017.07.056
Abstract: Abstract Haystacked peaks in rotor noise spectra are produced by the correlated unsteady loading on neighboring blades. This noise can be predicted with knowledge of the turbulent inflow and blade response function, but this is… read more here.
Keywords: turbulence; advance ratios; rotor; noise ... See more keywords
Numerical Investigation of Rotor/Wing Aerodynamic Interactions at High Advance Ratios
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DOI: 10.2514/1.c035370
Abstract: Rotor/wing aerodynamic interactions in forward flight up to high advance ratios are investigated through numerical simulations using a rotorcraft computational fluid dynamics solver, rFlow3D, devel... read more here.
Keywords: high advance; advance ratios; aerodynamic interactions; rotor wing ... See more keywords
Refined Performance Results on a Slowed Mach-Scaled Rotor at High Advance Ratios
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The American Helicopter Society"
DOI: 10.4050/jahs.65.012003
Abstract: Owing to its ability to alleviate the compressibility effect on the advancing side, the slowed rotor operating at high advance ratios is a key feature in high-speed compound rotorcraft. A series of wind tunnel tests… read more here.
Keywords: mach scaled; high advance; advance; advance ratios ... See more keywords