[HTML][HTML] Aerodynamic noise from a high-speed train bogie with complex geometry under a leading car

Y He, D Thompson, Z Hu - Journal of Wind Engineering and Industrial …, 2024 - Elsevier
Among the various aerodynamic noise sources associated with high-speed trains, the bogie
regions, and particularly the leading bogie, contribute most to the overall noise. To control …

Numerical noise prediction and source identification of a realistic landing gear

TR Ricciardi, WR Wolf, NJ Moffitt, JR Kreitzman… - Journal of Sound and …, 2021 - Elsevier
Noise predictions of realistic landing gear configurations are obtained combining high-
fidelity CFD simulations and the Ffowcs Williams–Hawkings (FWH) acoustic analogy. The …

[HTML][HTML] 宽速域RANS-LES 混合方法的发展及应用

肖志祥, 罗堃宇, 刘健 - 2017 - html.rhhz.net
传统的雷诺平均方法(RANS) 已经不能满足大范围分离, 激波振荡, 压力脉动,
动载荷等极端工况下的流动预测需求; 大涡模拟(LES), 直接数值模拟(DNS) 等方法资源耗费多 …

Prediction of LAGOON landing-gear noise using an unstructured LES Solver

JC Giret, A Sengissen, S Moreau… - 19th AIAA/CEAS …, 2013 - arc.aiaa.org
The understanding and the prediction of airframe noise is important nowadays to ensure that
future commercial aircraft meet more and more stringent external noise requirements …

Nose landing gear flow and noise predictions on unstructured grid using a cell-centered Navier-Stokes code

F De La Puente, L Sanders, F Vuillot… - 21st AIAA/CEAS …, 2015 - arc.aiaa.org
N order to reduce the noise pollution around airports, large efforts are currently being made
for understanding the different physical mechanisms that underlie the noise generation. For …

CFD/CAA coupling on the LAGOON# 2 landing gear using a structured multi-block solver with the Chimera technique

L Sanders, E Manoha, S Ben Khelil… - 19th AIAA/CEAS …, 2013 - arc.aiaa.org
In the Airbus funded LAGOON project (LAnding Gear nOise database for CAA validatiON)
several geometries of simplified landing gear (LG) geometries have been designed and …

Investigation on landing gear shallow round cavity flow field and noise signature

F De La Puente, L Sanders, P Druault… - 22nd AIAA/CEAS …, 2016 - arc.aiaa.org
For large airliners at approach and landing, a large contribution to the total noise comes
from the airframe. The airframe noise is usually decomposed into landing gear and high-lift …

Simulations aux grandes échelles des écoulements instationnaires turbulents autour des trains d'atterrissage pour la prédiction du bruit aérodynamique

JC Giret - 2014 - theses.hal.science
L'augmentation globale du trafic aérien mondial est susceptible de fortement augmenter les
nuisances sonores induites autour des aéroports. De fait, des initiatives à diverses échelles …

[PDF][PDF] Aero-acoustic source analysis of landing gear noise via dynamic mode decomposition

J Dahan, R Futrzynski, C O'Reilly… - … Congress on Sound …, 2014 - researchgate.net
In this paper, we apply dynamic mode decomposition (DMD) on time accurate simulations of
the pressure distribution on a realistic full-scale nose landing gear configuration in order to …

[PDF][PDF] 全尺寸起落架的气动及声学特性分析

田斯源, 余培汛, 白俊强, 任晓峰, 包安宇… - 西北工业大学 …, 2022 - scholar.archive.org
起落架气动噪声是机体噪声的一大重要来源, 其噪声特性的研究分析对于低噪声起落架的设计
具有重要作用. 基于FL⁃ 52 声学风洞实验测试技术和耦合尺度自适应模型/声扰动方程的高精度 …