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CHEN Xiao-bo, LI Jing, CHEN Jian-yun. WIND-INDUCED RESPONSE ANALYSIS OF WIND TURBINE TOWER CONSIDERING THE CENTRIFUGAL STIFFENING EFFECT OF BLADE[J]. Engineering Mechanics, 2010, 27(1): 240-245.
Citation: CHEN Xiao-bo, LI Jing, CHEN Jian-yun. WIND-INDUCED RESPONSE ANALYSIS OF WIND TURBINE TOWER CONSIDERING THE CENTRIFUGAL STIFFENING EFFECT OF BLADE[J]. Engineering Mechanics, 2010, 27(1): 240-245.
shu

WIND-INDUCED RESPONSE ANALYSIS OF WIND TURBINE TOWER CONSIDERING THE CENTRIFUGAL STIFFENING EFFECT OF BLADE

  • (1. School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China; 2. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China)

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  • Received Date: December 31, 1899
  • Revised Date: December 31, 1899
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  • To analyze the influence of the blades force and the blade centrifugal stiffening effect on wind-induced response of wind turbine tower, the wind-induced response of wind turbine tower was investigated, with the centrifugal stiffening effect taken into account. The fluctuating wind velocity time series of wind turbine were simulated by the harmony superposition method, and the theoretical vibration equation of blade involving centrifugal stiffening effect was derived. The wind-induced responses of blade and tower were calculated in three conditions, and the tower top displacement and the relative errors in each condition were recorded. The results show that the blades force on tower has great effect on the dynamic response of tower, and the wind-induced response of tower was reduced by centrifugal stiffening effect. Hence, the influence of the centrifugal stiffening effect should be considered in the dynamic calculation.
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