Effects of bulb seal on slat flow dynamics and slat tones
Abstract The Delayed Detached Eddy Simulation (DDES) and Ffowcs Williams–Hawkings
(FW–H) analogy have been performed to describe the unsteady flow and noise-generation …
(FW–H) analogy have been performed to describe the unsteady flow and noise-generation …
Aeroacoustic prediction of a multi-element airfoil using wall-modeled large-eddy simulation
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 …
Hawkings equation to predict and analyze the aeroacoustics of a 30P30N three-element …
Noise control for high-lift devices by slat wall treatment
A novel wall treatment method, termed as the Slat Cove Wavy Wall (SCWW), is proposed to
improve both the aero-acoustic and the aerodynamic performances of high-lift devices. By …
improve both the aero-acoustic and the aerodynamic performances of high-lift devices. By …
Dynamics of the large-scale structures and associated noise emission in airfoil slats
We investigate the slat narrowband peak noise generating mechanism. Unsteady flow data
were generated by a lattice-Boltzmann-based commercial code for four configurations …
were generated by a lattice-Boltzmann-based commercial code for four configurations …
Flow characteristics of slat cove fillers
HK Jawahar, R Theunissen, M Azarpeyvand… - Aerospace Science and …, 2020 - Elsevier
Abstract Experimental measurements using Particle Image Velocimetry were carried out to
understand the flow characteristics of a 30P30N high-lift airfoil with and without slat cove …
understand the flow characteristics of a 30P30N high-lift airfoil with and without slat cove …
Slat noise from an MD30P30N airfoil at extreme angles of attack
This study investigates the slat noise of a two-dimensional scaled, unswept, and untapered
MD30P30N high-lift model. The experimental data refer to aeroacoustic and aerodynamic …
MD30P30N high-lift model. The experimental data refer to aeroacoustic and aerodynamic …
Eduction of acoustics-related coherent structures from Schlieren images of supersonic twin jets by coupling Doak's decomposition and SPOD
This work proposes a methodology to improve the extraction of coherent structures
associated with the generation of acoustic fluctuations in turbulent jets from high-speed …
associated with the generation of acoustic fluctuations in turbulent jets from high-speed …
Görtler vortices in low-Reynolds-number flow over multi-element airfoil
JS Wang, LH Feng, J Wang, T Li - Journal of Fluid Mechanics, 2018 - cambridge.org
The low-Reynolds-number flow over a multi-element airfoil (30P30N) is investigated with
time-resolved particle image velocimetry (TR-PIV) and flow visualization (FV). Dominant flow …
time-resolved particle image velocimetry (TR-PIV) and flow visualization (FV). Dominant flow …
Wake/shear layer interaction for low-Reynolds-number flow over multi-element airfoil
J Wang, J Wang, KC Kim - Experiments in Fluids, 2019 - Springer
Time-resolved particle image velocimetry (TR-PIV) and hydrogen bubble visualization are
employed to study the effects of Reynolds number on the wake/shear layer interactions over …
employed to study the effects of Reynolds number on the wake/shear layer interactions over …
SPOD analysis of noise-generating Rossiter modes in a slat with and without a bulb seal
The slat represents an important airframe noise source as it extends over almost the entire
aircraft wingspan. Most studies of slat noise consider idealized geometries. However, for …
aircraft wingspan. Most studies of slat noise consider idealized geometries. However, for …