Articles | Volume 3, issue 2
Wind Energ. Sci., 3, 713–728, 2018
Wind Energ. Sci., 3, 713–728, 2018
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: (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,, 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,, 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,, 2017.
Short summary
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.