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Type: Conference paper
Title: An experimental study of the flow-induced noise created by a wall-mounted finite length airfoil
Author: Moreau, D.J.
Prime, Z.
Doolan, C.J.
Citation: 20th AIAA/CEAS Aeroacoustics Conference, 2014, pp.2014-3290-1-2014-3290-16
Publisher: American Institute of Aeronautics and Astronautics
Issue Date: 2014
ISBN: 9781624102851
Conference Name: 20th AIAA/CEAS Aeroacoustics Conference (16 Jun 2014 - 20 Jun 2014 : Atlanta, GA)
Statement of
Danielle J. Moreau , Zebb Prime and Con J. Doolan
Abstract: This paper presents the results of an experimental investigation of the sound produced by flow interaction with a wall-mounted finite length airfoil at low-to-moderate Reynolds number. Acoustic measurements have been taken in an anechoic wind tunnel at a range of Reynolds numbers, angles of attack and for a variety of airfoil aspect ratios (airfoil length to chord ratio) with a single microphone and two perpendicular planar microphone arrays. For comparison, measurements have also been taken with a semi-infinite or two- dimensional airfoil and a half-span airfoil with tip flow but no boundary layer impingement. The experimental data is used to examine changes in wall-mounted finite airfoil noise production as a function of Reynolds number, angle of attack and airfoil aspect ratio. Additionally, the data gives insight into the airfoil noise generation mechanisms and the influence of flow at the airfoil tip and wall junction on noise production
Description: AIAA 2014-3290
Rights: Copyright © 2014 by Danielle J. Moreau
DOI: 10.2514/6.2014-3290
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Appears in Collections:Aurora harvest 7
Mechanical Engineering conference papers

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