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Aerodynamic noise prediction for a wind turbine using numerical flow simulations and semi-empirical modelling approaches
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.ORCID iD: 0000-0002-3173-7502
Trinity College Dublin, Department of Mechanical and Manufacturing Engineering, Ireland.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.ORCID iD: 0000-0003-2294-9041
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering. KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design.ORCID iD: 0000-0003-0176-5358
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2016 (English)In: 22nd AIAA/CEAS Aeroacoustics Conference, American Institute of Aeronautics and Astronautics, 2016Conference paper, Published paper (Other academic)
Abstract [en]

In this paper, aerodynamic and aero-acoustic simulations are performed for a small horizontal axis wind turbine, suitable for the integration of wind energy in urban and peri-urban areas. Detached-eddy simulation (DES) of compressible flow is performed to compute the flow field over the wind turbine. The far-field noise is computed using the Ffowcs - Williams and Hawkings acoustic analogy. Furthermore, the blade element momentum theory is used with a semi-empirical acoustic modeling approach to predict the wind turbine noise. The acoustic modeling approach is based on a semi-empirical formulation for airfoil self noise and an analytic formulation for inflow noise.

Place, publisher, year, edition, pages
American Institute of Aeronautics and Astronautics, 2016.
Keywords [en]
Acoustic noise, Aeroacoustics, Aerodynamics, Turbomachine blades, Wind power, Acoustic analogy, Aero-acoustic simulation, Aerodynamic noise, Blade element momentum theory, Detached eddy simulations, Horizontal axis wind turbines, Numerical flow simulations, Wind turbine noise
National Category
Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:kth:diva-185035DOI: 10.2514/6.2016-2846Scopus ID: 2-s2.0-85057294577OAI: oai:DiVA.org:kth-185035DiVA, id: diva2:918057
Conference
22nd AIAA/CEAS Aeroacoustics Conference, 2016, Lyon, France, 30 May 2016 through 1 June 2016,
Note

QC 20160613

Available from: 2016-04-08 Created: 2016-04-08 Last updated: 2019-03-19Bibliographically approved

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Rasam, AminKarl, BolinO'Reilly, Ciarán J.Efraimsson, Gunilla

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