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Type: Conference paper
Title: Statistical estimation of trailing edge noise from finite wall-mounted airfoils
Author: Coombs, J.
Doolan, C.
Moreau, D.
Zander, A.
Brooks, L.
Citation: Proceedings of the 2nd Australasian Acoustical Societies Conference (ACOUSTICS 2016), 2016, vol.1, pp.430-439
Publisher: Australian Acoustical Society
Issue Date: 2016
ISBN: 9781510837393
Conference Name: 2nd Australasian Acoustical Societies Conference (ACOUSTICS 2016) (9 Nov 2016 - 11 Nov 2016 : Brisbane)
Statement of
Jesse Coombs, Con Doolan, Anthony Zander, Danielle Moreau and Laura Brooks
Abstract: It is important to be able to accurately model the flow and noise generated by finite wall-mounted airfoil flows because of the many engineering applications in which these flows occur. One method for predicting turbulent trailing edge noise is the Reynolds-averaged Navier-Stokes based statistical noise model (RSNM) of Doolan et al. (Proceedings of 20th International Congress on Acoustics, ICA 2010). The RSNM method has previously been used successfully on a range of two-dimensional geometry-flow cases. In this paper a new turbulent velocity cross-spectrum model and improved implementation are proposed to allow the RSNM method to be used to effectively and efficiently predict turbulent trailing edge noise from more complex three-dimensional cases. Reynolds-averaged Navier-Stokes (RANS) simulations of a series of wing-in-junction cases are used in combination with the developed acoustic model to predict the far-field noise and compared against experimental noise measurements.
Description: The 2016 Joint Conference of The Australian Acoustical Society and The Acoustical Society of New Zealand. Acoustics2016 - The Second Australasian Acoustical Societies Conference
Rights: Copyright © (2016) by the Australian Acoustical Society. All rights reserved. Printed by Curan Associates, Inc. Permission is hereby granted for any person to reproduce a fractional part of any paper herein provided that permission is obtained from its author(s) and credit is given to the author(s) and these proceedings. An author or her/his research sponsor may reproduce his or her paper in full, crediting these proceedings. This permission is not assignable.
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