Hybrid aeroacoustic computations: State of art and new achievements

S Schoder, M Kaltenbacher - Journal of Theoretical and …, 2019 - World Scientific
This paper collects the state of the art and the tremendous progress that has been made in
hybrid modeling of aeroacoustic sound. Hybrid modeling is defined such that flow and …

Input-output analysis of high-speed axisymmetric isothermal jet noise

J Jeun, JW Nichols, MR Jovanović - Physics of Fluids, 2016 - pubs.aip.org
We use input-output analysis to predict and understand the aeroacoustics of highspeed
isothermal turbulent jets. We consider axisymmetric linear perturbations about Reynolds …

Cylinder flow and noise control by active base blowing

R Maryami, Y Liu - Journal of Fluid Mechanics, 2024 - cambridge.org
An extensive experimental investigation was undertaken to control the flow and noise
characteristics influenced by vortex shedding from a circular cylinder by implementing air …

Convective effects and the role of quadrupole sources for aerofoil aeroacoustics

WR Wolf, JLF Azevedo, SK Lele - Journal of Fluid Mechanics, 2012 - cambridge.org
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 …

The sound of flow over rigid walls

W Devenport, N Alexander, S Glegg… - Annual Review of Fluid …, 2018 - annualreviews.org
An overview of the acoustics of boundary layer flows over rough surfaces and surfaces with
discontinuities at low Mach number is presented. Roughness noise is dominated by dipole …

Sound source and pseudo-sound in the near field of a circular cylinder in subsonic conditions

S Li, DE Rival, X Wu - Journal of Fluid Mechanics, 2021 - cambridge.org
It is well known that the pressure fluctuations on both sides of a cylinder and those in its
oscillating near-wake region are both sound sources at low Reynolds and Mach numbers …

Trailing-edge noise predictions using compressible large-eddy simulation and acoustic analogy

WR Wolf, SK Lele - AIAA journal, 2012 - arc.aiaa.org
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 …

Noise emitted from a generic side-view mirror with different aspect ratios and inclinations

KK Chode, H Viswanathan, K Chow - Physics of Fluids, 2021 - pubs.aip.org
Noise radiated from flow past different configurations of the half-round mirror (HRM)
mounted on a plate has been investigated using computational aeroacoustics (CAA). The …

Direct aeroacoustic simulation of acoustic feedback phenomena on a side-view mirror

HM Frank, CD Munz - Journal of sound and vibration, 2016 - Elsevier
The flow around a side-view mirror and its noise generation are investigated using large
eddy simulation and direct acoustic simulation. To this end, we use the high order …

Effect of wall proximity on the flow over a cube and the implications for the noise emitted

Y Wang, D Thompson, Z Hu - Physics of Fluids, 2019 - pubs.aip.org
The flow over an object such as a cube and the resulting aerodynamic noise are affected by
its proximity to a wall. To evaluate the effect of wall proximity on the aerodynamics induced …