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 …

[HTML][HTML] Aeroacoustic design and characterization of the 3D-printed, open-jet, anechoic wind tunnel of Delft University of Technology

R Merino-Martínez, AR Carpio, LTL Pereira, S van Herk… - Applied Acoustics, 2020 - Elsevier
The newly refurbished vertical tunnel (V-tunnel) at Delft University of Technology has been
redesigned as a state-of-the-art facility for research in aeroacoustics (A-tunnel), as well as …

Design and characterization of a multifunctional low-speed anechoic wind tunnel at HKUST

W Yi, P Zhou, Y Fang, J Guo, S Zhong, X Zhang… - Aerospace Science and …, 2021 - Elsevier
Abstract The Hong Kong University of Science and Technology (HKUST) has installed and
commissioned an Ultra-quiet Noise Injection Test and Evaluation Device (UNITED). This …

Boundary layer characterization and acoustic measurements of flow-aligned trailing edge serrations

C Arce León, R Merino-Martínez, D Ragni… - Experiments in …, 2016 - Springer
Trailing edge serrations designed to reduce airfoil self-noise are retrofitted on a NACA 0018
airfoil. An investigation of the boundary layer flow statistical properties is performed using …

Aeroacoustic prediction of a multi-element airfoil using wall-modeled large-eddy simulation

Y Zhang, H Chen, K Wang, M Wang - AIAA Journal, 2017 - arc.aiaa.org
Wall-modeled large-eddy simulation is employed in combination with the Ffowcs Williams–
Hawkings equation to predict and analyze the aeroacoustics of a 30P30N three-element …

Integration methods for distributed sound sources

R Merino-Martínez, P Sijtsma… - International …, 2019 - journals.sagepub.com
Most acoustic imaging methods assume the presence of point sound sources and, hence,
may fail to correctly estimate the sound emissions of distributed sound sources, such as …

Experimental investigation on the effect of slat geometrical configurations on aerodynamic noise

CC Pagani, DS Souza, MAF Medeiros - Journal of Sound and Vibration, 2017 - Elsevier
Relatively few studies have addressed the slat noise dependence on gap, overlap and
deflection angle, although slat noise level and spectral content are topics of increasing …

Aeroacoustic measurements of leading-edge slat noise

KA Pascioni, LN Cattafesta - 22nd AIAA/CEAS aeroacoustics …, 2016 - arc.aiaa.org
CURREnt projections of global air traffic expect the passenger aircraft fleet to double by the
year 2033. 1 Communities adjacent to airports will experience a greater number of noise …

Effect of trailing edge serration-flow misalignment on airfoil noise emissions

CA León, R Merino-Martínez, D Ragni… - Journal of Sound and …, 2017 - Elsevier
The broadband noise generated by the scattering of turbulent flow at the trailing edge of a
NACA 0018 airfoil with trailing edge serrations is investigated, varying both the airfoil angle …

[HTML][HTML] Intermittent and stochastic characteristics of slat tones

H Kamliya Jawahar, S Meloni, R Camussi… - Physics of …, 2021 - pubs.aip.org
Experiments were conducted to assess the aeroacoustic characteristics of a 30P30N three-
element high-lift airfoil fitted with two different types of slat cove fillers in the Aeroacoustic …