Experimental near-field analysis for flow induced noise of a structured porous-coated cylinder
Porous coating on cylinders reduces the aerodynamic noise due to vortex shedding. A key
understanding of how porous media suppress vortex shedding is related to near-field …
understanding of how porous media suppress vortex shedding is related to near-field …
Tunable acoustic composite metasurface based porous material for broadband sound absorption
This work designs a tunable acoustic composite metasurface, with porous material and a
modified microperforated panel (MPP) system. The broadband sound absorption …
modified microperforated panel (MPP) system. The broadband sound absorption …
[HTML][HTML] On the influence of porous coating thickness and permeability on passive flow and noise control of cylinders
Aeroacoustic studies of porous cylinder coatings, which reduce the vortex shedding noise of
cylinders in uniform flow, have received increased attention. To further understand how …
cylinders in uniform flow, have received increased attention. To further understand how …
Internal shear layer and vortex shedding development of a structured porous coated cylinder using tomographic particle image velocimetry
Vortex shedding in the wake of a cylinder in uniform flow can be suppressed via the
application of a porous coating; however, the suppression mechanism is not fully …
application of a porous coating; however, the suppression mechanism is not fully …
Aerodynamic noise reduction of a blunt flat plate by trailing-edge blowing
This study investigates the influence of air blowing on the aerodynamic noise generated by
a flat plate with a blunt trailing edge. The uniform blowing was applied through evenly …
a flat plate with a blunt trailing edge. The uniform blowing was applied through evenly …
An investigation of wake flows produced by asymmetrically structured porous coated cylinders
The vortex shedding tone of a cylinder in uniform flow can be reduced by applying a porous
coating yet this mechanism is not fully understood. An experimental investigation of …
coating yet this mechanism is not fully understood. An experimental investigation of …
[HTML][HTML] Innovative coatings for reducing flow-induced cylinder noise by altering the sound diffraction
The aerodynamic noise radiated by the flow past a cylinder in the subcritical regime can be
modeled by a quadrupolar sound source placed at the onset position of the vortex-shedding …
modeled by a quadrupolar sound source placed at the onset position of the vortex-shedding …
[HTML][HTML] Aeroacoustics research in Europe: The CEAS-ASC report on 2022 highlights
C Schram, GJ Bennett - Journal of Sound and Vibration, 2024 - Elsevier
Abstract The Council of European Aerospace Societies (CEAS) Aeroacoustics Specialists
Committee (ASC) supports and promotes the interests of the scientific and industrial …
Committee (ASC) supports and promotes the interests of the scientific and industrial …
Relevance of quadrupolar sound diffraction on flow-induced noise from porous-coated cylinders
This paper elucidates the link between the near-wake development of a circular cylinder
coated with a porous material in a low Mach-number flow and the related aerodynamic …
coated with a porous material in a low Mach-number flow and the related aerodynamic …
Attenuation of vortex street by suction through the structured porous surface
We experimentally investigated the attenuation of the von Kármán vortex street behind a
circular cylinder by the use of active suction through a structured porous surface in wind …
circular cylinder by the use of active suction through a structured porous surface in wind …