Slat noise in high-lift systems

Y Zhang, L Cattafesta, K Pascioni… - Progress in Aerospace …, 2024 - Elsevier
This paper reviews several decades' worth of research on the topic of slat noise arising from
high-lift systems of commercial aircraft. A high-lift system is commonly used for providing …

CAA broadband noise prediction for aeroacoustic design

R Ewert, J Dierke, J Siebert, A Neifeld, C Appel… - Journal of sound and …, 2011 - Elsevier
The current status of a computational aeroacoustics (CAA) approach to simulate broadband
noise is reviewed. The method rests on the use of steady Reynolds averaged Navier–Stokes …

[HTML][HTML] A novel hybrid method for aerodynamic noise prediction of high-lift devices

TAO Jun, SUN Gang - Chinese Journal of Aeronautics, 2023 - Elsevier
Abstract Aerodynamic noise of High-Lift Devices (HLDs) is one of the main sources of
airframe noise, and has immediate impacts on the airworthiness certification, environmental …

Three-dimensional unsteady flow computations around a conventional slat of high-lift devices

T Imamura, S Enomoto, Y Yokokawa, K Yamamoto - AIAA journal, 2008 - arc.aiaa.org
DURING the landing phase, the noise from high-lift devices (HLD) is an important contributor
to the overall noise from the airframe [1], and the reduction of this type of noise is one of the …

[图书][B] Combustion noise

A Schwarz, J Janicka - 2009 - books.google.com
November, 2008 Anna Schwarz, Johannes Janicka In the last thirty years noise emission
has developed into a topic of increasing importance to society and economy. In? elds such …

Research at DLR towards airframe noise prediction and reduction

W Dobrzynski, R Ewert, M Pott-Pollenske… - Aerospace Science and …, 2008 - Elsevier
In the final approach phase airframe noise represents the ultimate aircraft noise barrier for
future aircraft when equipped with quiet UHBR engines. This paper summarizes the results …

A review of the progress for computational methods of hydrodynamic noise

LI Huan, LIU Congwei… - Chinese Journal of …, 2016 - zgjcyj.xml-journal.net
It is of great importance to accurately evaluate submarine's hydrodynamic noise in order to
develop anti-submarine surface warships, stealthy submarines and torpedoes as well as to …

水动力噪声计算方法综述

李环, 刘聪尉, 吴方良, 陈灿 - 中国舰船研究, 2016 - zgjcyj.xml-journal.net
准确量化评估水动力噪声, 对研制反潜水面舰船, 安静型潜艇和隐身鱼雷等高性能航行体具有
重要意义. 由航行体型线变化, 表面曲率不连续和各种扰动引起的三维非定常外流场是航行体水 …

Random particle methods applied to broadband fan interaction noise

M Dieste, G Gabard - Journal of Computational Physics, 2012 - Elsevier
Predicting broadband fan noise is key to reduce noise emissions from aircraft and wind
turbines. Complete CFD simulations of broadband fan noise generation remain too …

Numerical Simulation of Aerodynamic Noise with DLR's aeroacoustic code PIANO

JW Delfs, M Bauer, R Ewert, HA Grogger, M Lummer… - 2008 - elib.dlr.de
The code PIANO, developed at the Institute of Aerodynamics and Flow Technology (Dept.
Technical Acoustics), is designed to simulate aeroacoustic noise generation and acoustic …