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Propogation Of Wind Turbine Noise Through Wakes And Turbulent Atmosphere, Yuan Peng
Propogation Of Wind Turbine Noise Through Wakes And Turbulent Atmosphere, Yuan Peng
Open Access Theses
It is well known that the atmospheric inhomogeneities have great impact on sound propagation over long ranges. For the application of predicting wind turbine noise, either the flow wakes generated by rotating turbine blades or small-scale atmospheric turbulence can affect the propagation of sound over ground surfaces from individual turbines.
In this thesis, the effects of wake and atmospheric turbulence on the propagation of wind turbine noise are investigated. By introducing the Parabolic Equation (PE) method, the effects of atmospheric changes in sound speed can be incorporated at each marching step as the prediction of sound field advances in the …