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 …

Aeroacoustic testing on a full aircraft model at high Reynolds numbers in the European Transonic Windtunnel

T Ahlefeldt, D Ernst, A Goudarzi, HG Raumer… - Journal of Sound and …, 2023 - Elsevier
This paper presents an end-to-end approach for the assessment of pressurized and
cryogenic wind tunnel measurements of an EMBRAER scaled full model close to real-world …

Characterization of noise sources in two-and three-element high-lift airfoil configurations

MK Okoronkwo, DG Geneau, JM Eburn, H Ben-Gida… - Applied Acoustics, 2025 - Elsevier
To improve the current understanding of flap noise generation mechanisms in high-lift
devices used by small-to large-size commercial aircraft, a detailed study of both two-and …

Near-field turbulent structures in supersonic rectangular jets using 3D parabolized stability equations

D Rodriguez, C Prasad, D Gaitonde - AIAA Aviation 2021 Forum, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-2276. vid Interest in rectangular
jets for military applications has increased considerably in recent years motivated by their …

Impact of harmonic inflow variations on the size and dynamics of the separated flow over a bump

H Marbona, D Rodríguez, A Martínez-Cava, E Valero - Physical Review Fluids, 2024 - APS
The separated flow over a wall-mounted bump geometry under harmonic oscillations of the
inflow stream is investigated with direct numerical simulations. The bump geometry gives …

A critical assessment of Navier–Stokes and lattice Boltzmann frameworks applied to high-lift configuration through a multiresolution approach

J Husson, M Terracol, S Deck - Physics of Fluids, 2024 - pubs.aip.org
The present work focuses on a thorough assessment of the influence of two very different
numerical approaches, namely, Navier–Stokes (NS) and the lattice Boltzmann method …

Time–frequency characteristics of noise generated from different slat and flap geometrical configurations of the high-lift device

L Li, P Liu, H Guo - Applied Acoustics, 2022 - Elsevier
High-lift device installed on modern large aircraft is a major noise source during the
approach and landing phases. For high-lift device, slat and flap parameters such as gap …

Assessment of Transitional Airfoil Flows Through the Lattice-Boltzmann Method Part I: Spanwise Periodic Flows

CA Dantas, BL Rocha Ribeiro, W Wolf - AIAA AVIATION FORUM AND …, 2024 - arc.aiaa.org
The present study consists in the first of a two-part joint paper series, where we assess the
capability of a lattice-Boltzmann high-fidelity simulation tool to resolve transitional flows with …

Improving the analysis of aeroacoustic measurements through machine learning

A Goudarzi - 2023 - ediss.uni-goettingen.de
Severe acoustic emissions and their associated health issues have been a persistent
challenge since the beginning of industrialization. In 2011, the WHO estimated up to 1.6 …

Assessment of Transitional Airfoil Flows Through the Lattice-Boltzmann Method Part II: Finite Wing Effects

BL Rocha Ribeiro, CA Dantas, W Wolf - AIAA AVIATION FORUM AND …, 2024 - arc.aiaa.org
This study is the second in a two-part series, evaluating the ability of a lattice-Boltzmann
high-fidelity simulation tool to resolve transitional flows with intermittent events. Here, the …