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Layer Design and Fluid-Solid Coupling Analysis of the Thermoplastic Composite Wind Turbine Blade

Volume 14, Number 12, December 2018, pp. 2927-2940
DOI: 10.23940/ijpe.18.12.p3.29272940

Risu Na, Haifeng Zhai, and Haitang Cen

Department of Mechanical Engineering, Inner Mongolia University of Technology, Hohhot, 010051, China

(Submitted on September 10, 2018; Revised on October 16, 2018; Accepted on November 8, 2018)

Abstract:

Thermoplastic composites are gradually applied to the wind turbine blade because of their advantages of recyclable reuse. In this paper, the mechanical properties of biaxial cloth and triaxial cloth were obtained by establishing the three-dimensional equivalent volume unit model of laminate plates. The layer of a complete thermoplastic composite wind turbine blade was designed by layering respectively from the spar cap to the blade root reinforcement layer. The blade surface pressure and tip wind speed were obtained by using single steady flow solid coupling analysis. The wind speed of the tip was consistent with the theoretical settlement results, indicating that the CFD model was effective. In the end, with reference to the force and moment results of the blade root at GH Blade, the distribution force loading method and multi-point constraint MPC loading method were respectively compared. The results show that the distribution force loading method can better reflect the actual mechanical properties of blades.

 

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