Wake-induced variations in noise levels and amplitude modulation for two interacting wind turbines
Abstract
The influence of turbine-turbine interactions on sound propagation is investigated using numerical simulations. Three configurations are examined: turbines aligned downstream of each other, placed side by side, and arranged in a staggered pattern. The simulation framework combines large-eddy simulations for aerodynamic interactions, an aeroacoustic source model to simulate turbine sound emission, and parabolic equation methods for sound propagation. When a second turbine is positioned directly downstream, wake-induced flow focusing enhances sound pressure levels (SPLs) and amplitude modulation (AM) by several decibels downwind. In side-by-side and staggered configurations, SPL increases are limited (
Fields of Study & Subjects
Aerodynamics and Acoustics in Jet Flows
Acoustic Wave Phenomena Research
Vehicle Noise and Vibration Control
Publication details
- Journal / source
- The Journal of the Acoustical Society of America
- Publisher
- Acoustical Society of America (ASA)
- Volume
- 159
- Issue
- 4
- Pages
- 3048–3061
- Publication date
- 1 April 2026
- Language
- EN