Aeroacoustic measurements and analysis have been made for an unshrouded rotor partially
immersed in a planar equilibrium turbulent boundary layer at low Mach number. This …

Large-eddy simulation is combined with the Ffowcs Williams–Hawkings equation to
investigate the noise generation by a 10-bladed rotor ingesting the turbulent wake of a …

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 …

Abstract Das Ziel der vorliegenden Arbeit besteht darin, einen Beitrag zur Bewertung des
Triebwerksschalls bei Flugzeugkonfigurationen mit stark in den Rumpf integrierten …

View Video Presentation: https://doi. org/10.2514/6.2023-4054. vid The present work reports
a parametric experimental investigation on the far-field acoustic haystacking phenomenon …

View Video Presentation: https://doi. org/10.2514/6.2023-4055. vid The present work reports
an experimental campaign performed to investigate the effect of the tip gap on the far-field …

This study is aimed at numerically predicting the noise of rotor ingesting a thick turbulent
boundary layer at the rear of an axisymmetric body of revolution (BOR) and elucidating the …

A vehicle-level noise assessment has been performed for the NASA D8 (ND8) concept
aircraft in the NASA Advanced Air Transport Technology Project portfolio. The NASA …

Noise was measured from a 457 mm diameter rotor ingesting the wake of a 50.4 mm
diameter cylinder located 20 cylinder diameters upstream. Four microphones were …

Abstract The Boundary Layer Ingestion (BLI) configuration is a promising installed
propulsion arrangement for aircraft owing to its potential to boost aerodynamic efficiency …