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Experimental investigation of active local blowing on the aerodynamic noise reduction of a circular cylinder

Experimental investigation of active local blowing on the aerodynamic noise reduction of a circular cylinder
Experimental investigation of active local blowing on the aerodynamic noise reduction of a circular cylinder
The strategic implementation of local blowing (LB) around a circular cylinder within a uniform flow has demonstrated its capacity to effectively suppress aerodynamic noise under specific blowing conditions. This study aimed to comprehend the underlying mechanism driving noise reduction through the synchronisation of far-field noise with surface pressure fluctuations, which were measured at various peripheral angles. The parameters under examination for LB were the angle of blowing in relation to the freestream flow (
0022-460X
Maryami, Reza
d1fb7805-1626-4f5e-9f9d-e33016d96076
Arcondoulis, Elias J.G.
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Guo, Jing
695caeca-b387-40ab-bded-434fd1b00ca4
Liu, Yu
ade40624-d693-429e-b6e1-b28052975c32
Maryami, Reza
d1fb7805-1626-4f5e-9f9d-e33016d96076
Arcondoulis, Elias J.G.
4e0c8bdf-1810-4d4e-b8e8-9ba9ccd6b746
Guo, Jing
695caeca-b387-40ab-bded-434fd1b00ca4
Liu, Yu
ade40624-d693-429e-b6e1-b28052975c32

Maryami, Reza, Arcondoulis, Elias J.G., Guo, Jing and Liu, Yu (2024) Experimental investigation of active local blowing on the aerodynamic noise reduction of a circular cylinder. Journal of Sound and Vibration, 578, [118360]. (doi:10.1016/j.jsv.2024.118360).

Record type: Article

Abstract

The strategic implementation of local blowing (LB) around a circular cylinder within a uniform flow has demonstrated its capacity to effectively suppress aerodynamic noise under specific blowing conditions. This study aimed to comprehend the underlying mechanism driving noise reduction through the synchronisation of far-field noise with surface pressure fluctuations, which were measured at various peripheral angles. The parameters under examination for LB were the angle of blowing in relation to the freestream flow (

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Maryami_JSV-2024_Cyl-Noise-Blowing_RGArchive - Accepted Manuscript
Available under License Creative Commons Attribution Non-commercial No Derivatives.
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Accepted/In Press date: 22 February 2024
e-pub ahead of print date: 26 February 2024
Published date: 27 February 2024

Identifiers

Local EPrints ID: 509097
URI: http://eprints.soton.ac.uk/id/eprint/509097
DOI: doi:10.1016/j.jsv.2024.118360
ISSN: 0022-460X
PURE UUID: c1b60152-270d-4d54-abaa-53d455e386c3
ORCID for Elias J.G. Arcondoulis: ORCID iD orcid.org/0000-0002-3791-395X

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Date deposited: 11 Feb 2026 17:38
Last modified: 12 Feb 2026 05:01

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Contributors

Author: Reza Maryami
Author: Elias J.G. Arcondoulis ORCID iD
Author: Jing Guo
Author: Yu Liu

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