Development of a high-fidelity noise prediction and propagation model for noise generated from wind turbines

Harald Debertshäuser, Wen Zhong Shen, Wei Jun Zhu

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Abstract

An approach to combine the actuator line technique with the improved Brooks, Pope, and Marcolini (IBPM) model for wind turbine noise calculation is presented. The IBPM needs Mach number, local angle of attack and blade position as an input. These can be calculated accurately with the actuator line technique for any kind of flow conditions. We investigated laminar/ turbulent inflow, as well as wind shear and yaw of the 2.3 MW NM80 wind turbine. The turbulent case shows higher noise levels than the laminar one. Yaw changes the directivity from a dipole characteristic to an oval shape, inclined by the yaw angle.
Original languageEnglish
Title of host publicationProceedings. 6th International Meeting on Wind Turbine Noise
Number of pages7
Publication date2015
Publication statusPublished - 2015
Event6th International Meeting on Wind Turbine Noise - Glasgow, United Kingdom
Duration: 20 Apr 201523 Apr 2015
Conference number: 6

Conference

Conference6th International Meeting on Wind Turbine Noise
Number6
CountryUnited Kingdom
CityGlasgow
Period20/04/201523/04/2015

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