A Review on Generation and Mitigation of Airfoil Self-Induced Noise
A review on passive acoustic control of airfoil self-noise by means of porous trailing edge is
presented. Porous surfaces are defined using various terms such as porosity, permeability …
presented. Porous surfaces are defined using various terms such as porosity, permeability …
An investigation of airfoil dual acoustic feedback mechanisms at low-to-moderate Reynolds number
An experimental investigation was performed in an anechoic wind tunnel involving acoustic
measurements, hot-wire anemometry and surface flow visualisation techniques to …
measurements, hot-wire anemometry and surface flow visualisation techniques to …
Identification of the two-sources at the aircraft slat/fuselage juncture based on phased array
B Bai, Y Zhang, X Li - Aerospace Science and Technology, 2023 - Elsevier
Slat/fuselage juncture noise or slat horn noise has been identified as a major airframe noise
component and is commonly assumed to be similar to the flap side-edge noise. However …
component and is commonly assumed to be similar to the flap side-edge noise. However …
On the controlled evolution for wingtip vortices of a flapping wing model at bird scale
S Qin, Z Weng, Z Li, Y Xiang, H Liu - Aerospace Science and Technology, 2021 - Elsevier
The reduction of wingtip vortices is a critical and challenging task for aircraft wing-design.
Inspired by the wingtip morphology of soaring birds, Whitcomb created winglets to reduce …
Inspired by the wingtip morphology of soaring birds, Whitcomb created winglets to reduce …
Three-dimensional identification of flow-induced noise sources with a tunnel-shaped array of MEMS microphones
Y Zhou, V Valeau, J Marchal, F Ollivier… - Journal of Sound and …, 2020 - Elsevier
This paper deals with the development of a three-dimensional (3D) array for imaging
aeraocoustic sources in the open section of an anechoic wind-tunnel, together with the …
aeraocoustic sources in the open section of an anechoic wind-tunnel, together with the …
[HTML][HTML] Aeroacoustic noise reduction by application of end plates on wall-mounted finite airfoils
One known method to reduce vortex shedding from the tip of a blade is the use of end plates
or winglets. Although the aerodynamic impact of such end plates has been investigated in …
or winglets. Although the aerodynamic impact of such end plates has been investigated in …
Quantitative features of wingtip vortex wandering based on the linear stability analysis
ZP Cheng, SY Qiu, Y Xiang, H Liu - AIAA Journal, 2019 - arc.aiaa.org
As a result of vortex instability, wingtip vortex exhibits a behavior of wandering. In the paper,
a canonical wingtip vortex generated by a NACA0015 rectangular wing was experimentally …
a canonical wingtip vortex generated by a NACA0015 rectangular wing was experimentally …
A study of the effect of airfoil thickness on the tonal noise generation of finite, wall-mounted airfoils
The noise generated by finite, wall-mounted airfoils strongly affects the total noise from
aerodynamic applications such as small unmanned aerial vehicles, micro wind turbines and …
aerodynamic applications such as small unmanned aerial vehicles, micro wind turbines and …
Experimental investigation of tip vortex formation noise produced by wall-mounted finite airfoils
This paper presents an experimental investigation of tip vortex formation noise produced by
wall-mounted finite airfoils. Acoustic measurements were taken in the open jet anechoic …
wall-mounted finite airfoils. Acoustic measurements were taken in the open jet anechoic …
Exploitation of hybrid anechoic wind tunnels for aeroacoustic and aerodynamic measurements
The last 10 years have seen the establishment of the hybrid anechoic wind tunnel as a
significant tool for experimental aeroacoustics research. The hybrid anechoic wind tunnel …
significant tool for experimental aeroacoustics research. The hybrid anechoic wind tunnel …