[HTML][HTML] Turbulent boundary layer trailing-edge noise: Theory, computation, experiment, and application
When the pressure fluctuations caused by turbulence vorticity in the boundary layer are
scattered by a sharp trailing edge, acoustic energy is generated and propagated to the far …
scattered by a sharp trailing edge, acoustic energy is generated and propagated to the far …
Convective effects and the role of quadrupole sources for aerofoil aeroacoustics
The present investigation of aerofoil self-noise generation and propagation concerns the
effects of mean flow and quadrupole sources on the broadband noise that arises from the …
effects of mean flow and quadrupole sources on the broadband noise that arises from the …
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 …
noise is reviewed. The method rests on the use of steady Reynolds averaged Navier–Stokes …
A zonal noise prediction method for trailing-edge noise with a porous model
P Bernicke, RAD Akkermans, VB Ananthan… - International Journal of …, 2019 - Elsevier
In this contribution, a hybrid zonal simulation tool with volumetric inflow turbulence forcing is
applied to trailing-edge noise of a NACA0012 airfoil with and without a porous insert at …
applied to trailing-edge noise of a NACA0012 airfoil with and without a porous insert at …
Noise source analysis of a rod–airfoil configuration using unstructured large-eddy simulation
The noise generated by a rod–airfoil configuration is investigated using unstructured Large-
Eddy simulation coupled with a Ffowcs-Williams and Hawkings technique. The detailed …
Eddy simulation coupled with a Ffowcs-Williams and Hawkings technique. The detailed …
Trailing-edge noise predictions using compressible large-eddy simulation and acoustic analogy
The present investigation of airfoil trailing-edge noise generation and propagation concerns
the broadband noise that arises from the interaction of turbulent boundary layers with the …
the broadband noise that arises from the interaction of turbulent boundary layers with the …
Design and additive manufacturing of porous sound absorbers—A machine-learning approach
Additive manufacturing (AM), widely known as 3D-printing, builds parts by adding material in
a layer-by-layer process. This tool-less procedure enables the manufacturing of porous …
a layer-by-layer process. This tool-less procedure enables the manufacturing of porous …
Numerical analysis of the impact of permeability on trailing-edge noise
SR Koh, M Meinke, W Schröder - Journal of Sound and Vibration, 2018 - Elsevier
The impact of porous surfaces on the near-wall turbulent structures and the generated
trailing-edge noise is analyzed for several trailing-edge shapes of finite thickness using a …
trailing-edge noise is analyzed for several trailing-edge shapes of finite thickness using a …
Trailing-edge broadband noise prediction of an airfoil with boundary-layer tripping
Hybrid methods for trailing edge noise prediction are applied to a NACA 6512-63 airfoil at
zero angle of attack embedded in the actual narrow stream of the Siegen open-jet anechoic …
zero angle of attack embedded in the actual narrow stream of the Siegen open-jet anechoic …
Synthetic turbulence methods for computational aeroacoustic simulations of leading edge noise
F Gea-Aguilera, J Gill, X Zhang - Computers & Fluids, 2017 - Elsevier
A leading edge noise prediction methodology that uses an advanced digital filter method to
generate synthetic turbulence is presented for efficient two-and three-dimensional …
generate synthetic turbulence is presented for efficient two-and three-dimensional …