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 …

Vortex-induced sound prediction of slat noise from time-resolved particle image velocimetry data

JH Seo, Y Zhang, R Mittal, LN Cattafesta III - Experiments in Fluids, 2023 - Springer
A data-driven method for predicting the vortex-induced sound from time-resolved
velocimetry data is presented and applied to the sound generated by flow passing through …

Macro-and mesoscopic design for cabin door pretightened fabric rubber seal structure

X Xu, H Yan, X Yao, T Qu - Journal of Aircraft, 2023 - arc.aiaa.org
The aviation fabric reinforced rubber seal structure is the key component of aircraft cabin
seal and load transfer mechanism, and its performance directly determines the safety and …

Design of shape-adaptive deployable slat-cove filler for airframe noise reduction

G Arena, RMJ Groh, A Pirrera, T Turner, W Scholten… - Journal of Aircraft, 2021 - arc.aiaa.org
Mechanical instabilities and elastic nonlinearities are emerging means for designing
deployable and shape adaptive structures. Dynamic snap-through buckling is investigated …

Development of Slat Gap and Slat Cove Filler Treatments for Noise Reduction Assessment on the High Lift Common Research Model in the NASA LaRC 14x22

TL Turner, JW Mulvaney, DP Lockard… - 28th AIAA/CEAS …, 2022 - arc.aiaa.org
Airframe noise is an important issue during the approach and landing phases of flight
because engines are throttled back, and airframe sources become an equal or greater …

Characterization of Slat Noise Radiation from a High-Lift Common Research Model

WM Humphreys Jr, DP Lockard, CJ Bahr - AIAA Journal, 2023 - arc.aiaa.org
A test campaign was conducted in the open-jet test section of the NASA Langley Research
Center's 14-by 22-Foot Subsonic Tunnel on a 10%-scale semispan version of the High-Lift …

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 …

Aerodynamic and Aeroacoustic Experimentation of a Slat-Gap Filler for Airframe Noise Reduction

MS Mu, J Schrass, KF Lieb, DJ Hartl - AIAA Scitech 2021 Forum, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-1997. vid Noise emitted from
aircraft during landing is a growing concern in the aerospace community. Airports mandate …

Investigation of the 30P30N slat flow field with passive control devices using particle image velocimetry

Y Zhang, R Richardson, LN Cattafesta… - AIAA AVIATION 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-2116. vid The leading-edge slat of
a high-lift wing is one of the main noise contributors during approach and landing. This …

Time-Space POD Decomposition of the Slat Velocity Field of the 30P30N High-Lift Model

Y Zhang, L Cattafesta - 30th AIAA/CEAS Aeroacoustics Conference …, 2024 - arc.aiaa.org
Highly unsteady flows in the slat vicinity of a high-lift airfoil have several features attributable
to noise generation. Multiple tonal peaks in the pressure/velocity spectra are commonly …