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Article Dans Une Revue Acta Acustica Année : 2023

Criteria for the assessment of the influence of atmospheric turbulence on wind turbine noise propagation

Résumé

This paper investigates the influence of atmospheric turbulence on the propagation of wind turbine noise using an aeroacoustic source model coupled with a parabolic equation propagation model. Sets of simulations with and without atmospheric turbulence are performed, allowing the determination of a simple formulation that quantifies the uncertainties of the A-weighted sound pressure level (SPL) when the modelling does not account for atmospheric turbulence. For the case study, the results show that atmospheric turbulence has a negligible effect on SPL up to 800 m from the wind turbine, even under upwind conditions. While the conclusions are specific to this case study, the method appears promising for simplifying the calculation of atmospheric turbulence effect in wind turbine noise studies. A freely accessible online application has been developed to present additional results.
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Dates et versions

hal-04494122 , version 1 (07-03-2024)

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Bill Kayser, David Écotière, Benoit Gauvreau. Criteria for the assessment of the influence of atmospheric turbulence on wind turbine noise propagation. Acta Acustica, 2023, 7, pp.63. ⟨10.1051/aacus/2023051⟩. ⟨hal-04494122⟩

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