FLUID STRUCTURE INTERACTION ANALYSIS OF DYNAMIC RESPONSE CHARACTERISTICS OF WIND POWER BLADES UNDER EXTREME OPERATING GUSTS

Yang Rui; Yue Leidong; Zeng Xueren; Fang Liang; Bao Guangchao; Tian Nan

doi:10.19912/j.0254-0096.tynxb.2023-0220

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (6) : 503-509. DOI: 10.19912/j.0254-0096.tynxb.2023-0220

FLUID STRUCTURE INTERACTION ANALYSIS OF DYNAMIC RESPONSE CHARACTERISTICS OF WIND POWER BLADES UNDER EXTREME OPERATING GUSTS

Yang Rui¹, Yue Leidong¹, Zeng Xueren², Fang Liang², Bao Guangchao², Tian Nan²

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Abstract

Based on CFD and finite element method, the aerodynamic characteristics and structural mechanical properties of the NREL 5 MW wind turbine composite blade under extreme operating gusts are studied by using Fluent and Transient Structural modules of ANSYS Workbench platform. The results show that aerodynamic loads of the wind turbines are greatly affected by the extreme operating gust. Under the extreme operating gust, the torque and axial thrust of the wind turbine have a large respond greatly with the change of wind speed, and the peak value of the response is earlier than that of the gust. The blade displacement with the change of wind speed appears two peaks before and after the peak of wind speed. When the wind speed reaches the peak, the surface stress of the blade increases greatly compared with that of the uniform-stream stage.

Key words

wind turbine blades / composite materials / fluid structure interaction / extreme operating gusts / numerical simulation

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Yang Rui, Yue Leidong, Zeng Xueren, Fang Liang, Bao Guangchao, Tian Nan. FLUID STRUCTURE INTERACTION ANALYSIS OF DYNAMIC RESPONSE CHARACTERISTICS OF WIND POWER BLADES UNDER EXTREME OPERATING GUSTS[J]. Acta Energiae Solaris Sinica. 2024, 45(6): 503-509 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0220

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