Journal cover Journal topic
Wind Energy Science The interactive open-access journal of the European Academy of Wind Energy
Journal topic
Volume 3, issue 2
Wind Energ. Sci., 3, 713–728, 2018
https://doi.org/10.5194/wes-3-713-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Wind Energ. Sci., 3, 713–728, 2018
https://doi.org/10.5194/wes-3-713-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 17 Oct 2018

Research article | 17 Oct 2018

Advanced computational fluid dynamics (CFD)–multi-body simulation (MBS) coupling to assess low-frequency emissions from wind turbines

Levin Klein et al.
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Cited articles  
Arnold, M., Cheng, P. W., and Biskup, F.: Simulation of Fluid-Structure-Interaction on Tidal Current Turbines Based on Coupled Multibody and CFD Methods, in: The Twenty-third International Offshore and Polar Engineering Conference, International Society of Offshore and Polar Engineers, available at: https://www.onepetro.org/conference-paper/ISOPE-I-13-101 (last access: 9 October 2018), 2013.
Bekiropoulos, D., Lutz, T., Baltazar, J., Lehmkuhl, O., and Glodic, N.: D2013-3.1: Comparison of benchmark results from CFD-Simulation, Deliverable report, KIC-OFFWINDTECH, 2013.
Bozorgi, A., Ghorbaniasl, G., and Nourbakhsh, S.: The reduction in low-frequency noise of horizontal-axis wind turbines by adjusting blade cone angle, Int. J. Environ. Sci. Te., 1–14, https://doi.org/10.1007/s13762-017-1639-x, 2018.
Ghasemian, M. and Nejat, A.: Aerodynamic noise prediction of a horizontal Axis wind turbine using improved delayed detached eddy simulation and acoustic analogy, Energ. Convers. Manage., 99, 210–220, https://doi.org/10.1016/j.enconman.2015.04.011, 2015.
Gortsas, T. V., Triantafyllidis, T., Chrisopoulos, S., and Polyzos, D.: Numerical modelling of micro-seismic and infrasound noise radiated by a wind turbine, Soil Dyn. Earthq. Eng., 99, 108–123, https://doi.org/10.1016/j.soildyn.2017.05.001, 2017.
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To get a better understanding of noise emissions from wind turbines at frequencies far below the audible range, simulations with increasing complexity were conducted. Consistent with the literature, it has been found that acoustic emission is dominated by the noise generated when the rotor blades pass the tower. These specific frequencies are less dominant in the structure-borne emission. Considering aerodynamic forces acting on the tower is important for the correct modeling of emissions.
To get a better understanding of noise emissions from wind turbines at frequencies far below the...
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