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Abstract

To simulate the wind speed time series of the whole wind turbine, the mean wind part and the fluctuating wind part are both considered. For the component of turbulence, the different between blade and tower should be taken into consideration. The rotationally sampled spectrum is adopted to simulate the fluctuating wind speed of blade points. The wind simulation method of conventional tall buildings is used to accomplish the simulation process of the tower points. In order to consider the blade-tower interaction, a modified method including the spatial coherence between blade and tower is proposed in this paper. Then, the wind shear model with tower shadow is used to calculate the mean wind speed. Finally, the numerical example is given, and the target spectrum is compared with the calculation spectrum. This paper provides a more applicable and feasible method for the wind speed simulation of wind turbine.

Keywords

Mean wind fluctuating wind rotationally sampled spectrum blade-tower interaction tower shadow effect

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Numerical simulation of wind speed time series of the whole wind turbine

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