TY  - EJOU
AU  - Zhang, Chunyan 
AU  - Wang, Shuaishuai 
AU  - Qiao, Yinhu 
AU  - Zhang, Zhiqiang 

TI  - Optimized Design of H-Type Vertical Axis Wind Airfoil at Multiple Angles of Attack
T2  - Fluid Dynamics \& Materials Processing

PY  - 2023
VL  - 19
IS  - 10
SN  - 1555-2578

AB  - Numerical simulations are conducted to improve the energy acquisition efficiency of H-type vertical axis wind turbines through the optimization of the related blade airfoil aerodynamic performance. The Bézier curve is initially used to fit the curve profile of a NACA2412 airfoil, and the moving asymptote algorithm is then exploited to optimize the design of the considered H-type vertical-axis wind-turbine blade airfoil for a certain attack angle. The results show that the maximum lift coefficient of the optimized airfoil is 8.33% higher than that of the original airfoil. The maximum lift-to-drag ratio of the optimized airfoil exceeds the maximum lift-to-drag ratio of the original airfoil by 11.22%. Moreover, the power coefficient is increased by 12.19% and the torque coefficient of the wind turbine is significantly improved.
KW  - H-type vertical axis wind turbine; Bézier curves; moving asymptote algorithm; airfoil optimization

DO  - 10.32604/fdmp.2023.028059