The influence of the ground and atmosphere on sound generation and propagation from wind turbines creates uncertainty in sound level estimations. Realistic simulations of wind turbine noise thus require quantifying the overall uncertainty on sound pressure levels induced by environmental phenomena. This study proposes a method of uncertainty quantification using a quasi-Monte Carlo method of sampling influential input data (i.e., environmental parameters) to feed an Amiet emission model coupled with a Parabolic Equation propagation model. This method allows for calculation of the probability distribution of the output data (i.e., sound pressure levels). As this stochastic uncertainty quantification method requires a large number of simulations, a metamodel of the global (emission-propagation) wind turbine noise model was built using the kriging interpolation technique to drastically reduce calculation time. When properly employed, the metamodeling technique can quantify statistics and uncertainties in sound pressure levels at locations downwind from wind turbines. This information provides better knowledge of sound pressure variability and will help to better control the quality of wind turbine noise prediction for inhomogeneous outdoor environments.
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January 2022
January 21 2022
Wind turbine noise uncertainty quantification for downwind conditions using metamodeling
Bill Kayser;
Bill Kayser
a)
1
UMRAE, Cerema, Université Gustave Eiffel
, Ifsttar 11, rue Jean Mentelin - BP 9, 67035 Strasbourg, France
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Benoit Gauvreau;
Benoit Gauvreau
2
UMRAE, Université Gustave Eiffel
, Ifsttar, Cerema, Allée des Ponts et Chaussée Route de la Bouaye, 44340 Bouguenais, France
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David Écotière;
David Écotière
1
UMRAE, Cerema, Université Gustave Eiffel
, Ifsttar 11, rue Jean Mentelin - BP 9, 67035 Strasbourg, France
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Vivien Mallet
Vivien Mallet
b)
3
Institut national de recherche en informatique et en automatique (INRIA)
, 2 rue Simone Iff, Paris, France
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a)
Electronic mail: bill.kayser@cerema.fr, ORCID: 0000-0002-3403-2540.
b)
Also at: Sorbonne Université, Laboratoire Jacques-Louis Lions, France.
J. Acoust. Soc. Am. 151, 390–401 (2022)
Article history
Received:
April 19 2021
Accepted:
December 27 2021
Citation
Bill Kayser, Benoit Gauvreau, David Écotière, Vivien Mallet; Wind turbine noise uncertainty quantification for downwind conditions using metamodeling. J. Acoust. Soc. Am. 1 January 2022; 151 (1): 390–401. https://doi.org/10.1121/10.0009315
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