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Open Access

ARTICLE

Optimized Design of Bio-Inspired Wind Turbine Blades

Yuanjun Dai1,4,*, Dong Wang1, Xiongfei Liu2, Weimin Wu3
1 School of Mechanical Engineering, Shanghai DianJi University, Shanghai, 201306, China
2 School of Information Engineering, Yinchuan University of Science and Technology, Yinchuan, 750000, China
3 School of Mechanical and Power Engineering, Chongqing University of Science and Technology, Chongqing, 401331, China
4 School of Aeronautical Mechanical and Electrical Engineering, Chongqing Aerospace Polytechnic, Chongqing, 400021, China
* Corresponding Author: Yuanjun Dai. Email: email

Fluid Dynamics & Materials Processing https://doi.org/10.32604/fdmp.2024.046158

Received 20 September 2023; Accepted 22 February 2024; Published online 08 April 2024

Abstract

To enhance the aerodynamic performance of wind turbine blades, this study proposes the adoption of a bionic airfoil inspired by the aerodynamic shape of an eagle. Based on the blade element theory, a non-uniform extraction method of blade elements is employed for the optimization design of the considered wind turbine blades. Moreover, Computational Fluid Dynamics (CFD) is used to determine the aerodynamic performances of the eagle airfoil and a NACA2412 airfoil, thereby demonstrating the superior aerodynamic performance of the former. Finally, a mathematical model for optimizing the design of wind turbine blades is introduced and a comparative analysis is conducted with respect to the aerodynamic performances of blades designed using a uniform extraction approach. It is found that the blades designed using non-uniform extraction exhibit better aerodynamic performance.

Keywords

Airfoil; wind turbines; blade design; CFD

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