[HTML][HTML] 大型飞机增升装置气动噪声研究进展

刘沛清, 李玲, 邢宇, 郭昊 - 空气动力学学报, 2017 - html.rhhz.net
目前, 机体气动噪声的研究方法分成实验和数值预测两大部分, 实验包含飞行实验和风洞试验;
而数值预测包含有纯理论方法, 半经验方法, 纯数值方法, CFD 与" 声类比" 相结合的方法 …

Aeroacoustic measurement of 30P30N high-lift configuration in the test section with Kevlar cloth and perforated plate

L Li, P Liu, H Guo, Y Hou, X Geng, J Wang - Aerospace Science and …, 2017 - Elsevier
Both aerodynamic and aeroacoustic measurements in wind tunnels are necessary for the
study of high-lift devices. The existing wind tunnels have difficulties in simultaneously …

Time-frequency analysis of acoustic signals from a high-lift configuration with two wavelet functions

L Li, P Liu, Y Xing, H Guo - Applied Acoustics, 2018 - Elsevier
This paper introduces the continuous wavelet transform method to analyze different multiple
tonal phenomena of the high-lift configurations, aiming at revealing the time-frequency …

Investigation of flows around a rudimentary landing gear with advanced detached-eddy-simulation approaches

Z Xiao, J Liu, K Luo, J Huang, S Fu - AIAA journal, 2013 - arc.aiaa.org
Unsteady and massively separated flows past the rudimentary landing gear are investigated
using delayed detached-eddy-simulation and improved delayed detached-eddy-simulation …

Optimization of microphone array wall mountings in closed-section wind tunnels

V Fleury, L Coste, R Davy, A Mignosi, C Cariou… - AIAA journal, 2012 - arc.aiaa.org
AERODYNAMIC performance measurements, such as lift and drag measurements for
instance, are usually carried out in closed-section wind tunnels while acoustic tests are …

Unsteady propagation and mean corrections in open-jet and Kevlar® wind tunnels

CJ Bahr, FV Hutcheson, DJ Stead - AIAA Journal, 2021 - arc.aiaa.org
Two types of aeroacoustic wind-tunnel test section configurations have been tested in the
NASA Langley Quiet Flow Facility. The first is a more traditional open-jet configuration …

Wavelet analysis of the far-field sound pressure signals generated from a high-lift configuration

L Li, P Liu, Y Xing, H Guo - AIAA Journal, 2018 - arc.aiaa.org
WITH the increasing requirements for airworthiness and economy of aircraft, aircraft noise
has been a major concern to people and needs more attention. In the last 40 years, engine …

Exploitation of hybrid anechoic wind tunnels for aeroacoustic and aerodynamic measurements

K Brown, W Devenport, A Borgoltz - CEAS Aeronautical Journal, 2019 - Springer
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 …

Wall interference correction method for Kevlar wall test section

H Ura, M Shigemi, T Hirotani, T Homma - Journal of Aircraft, 2020 - arc.aiaa.org
This Paper describes a new method of correcting the wind tunnel wall interference of
permeable Kevlar test section walls. The classical three-dimensional panel method is …

Landing gear noise identification using phased array with experimental and computational data

J Bulté, S Redonnet - AIAA Journal, 2017 - arc.aiaa.org
In regard to aircraft noise mitigation, this paper focuses on noise emission by a simplified
nose landing gear (NLG), whose noise sources are identified by the means of sensor array …