Vasishta Bhargava Nukala*, Chinmaya Prasad Padhy
Sound & Vibration, Vol.58, pp. 133-150, 2024, DOI:10.32604/sv.2024.047762
- 19 March 2024
Abstract A significant aerodynamic noise from wind turbines arises when the rotating blades interact with turbulent flows. Though the trailing edge of the blade is an important source of noise at high frequencies, the present work deals with the influence of turbulence distortion on leading edge noise from wind turbine blades which becomes significant in low-frequency regions. Four quasi-empirical methods are studied to verify the accuracy of turbulent inflow noise predicted at low frequencies for a 2 MW horizontal axis wind turbine. Results have shown that all methods exhibited a downward linear trend in noise spectra More >
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