Abstract
Wind turbulence plays a major role in the dynamics of a wind turbine. It can affect the fatigue loading of a wind turbine’s blade and tower. This work presents an investigation of two turbulent wind fields applied on the two-bladed AWT-27 wind turbine. Both wind fields have an average wind speed of 12 m/s but with turbulence intensities of 10% and 50%. Aeroelastic simulations have been performed, and the rotor thrust, and rotor torque have been calculated. It has been found out that the average values of the aerodynamic loads are the same for both cases. However, the standard deviation for the 50% turbulence intensity has increased by 420% and 380% for the thrust load and torque load respectively compared to the 10% turbulence intensity. Structural dynamics should be thoroughly investigated, and fatigue analysis should be performed for the design of a wind turbine.
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