Research Article
Computational Acoustic Beamforming for Noise Source Identification for Small Wind Turbines
Figure 17
Predicted acoustic maps for the WINPhase 10 wind turbine for an Archimedean spiral array: 8 m × 8 m horizontal array at ground level (a); 20 m × 20 m horizontal array at ground level (b); 20 m × 20 m vertical array parallel to the wind turbine rotor plane (c). The inflow velocity is 9 m s−1 at the turbine hub height. The wind turbine rotates in the counter-clockwise direction.