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Horizontal axis wind turbines

Prediction of wind turbine noise: modelling trailing edge noise for rotating blades

We develop models for the prediction of wind turbine noise. For large wind turbines, the main source of noise is trailing edge noise. Trailing edge noise is generated when a turbulent gust reaches the trailing edge. Amiet has shown how to predict trailing edge noise for a fixed airfoil. He later extended his theory to predict trailing edge noise for rotating airfoils. However, there were disagreements on how to do this correctly. Our group has managed to resolve these disagreements and to show how to predict trailing edge noise for rotating airfoils.

This project is funded by Mitsubishi Heavy Industries

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