Open Access

ARTICLE

Optimized Design of H-Type Vertical Axis Wind Airfoil at Multiple Angles of Attack

by Chunyan Zhang¹, Shuaishuai Wang^1,2, Yinhu Qiao^1,*, Zhiqiang Zhang^1,2

1 School of Mechanical Engineering, Anhui Science and Technology University, Fengyang, 233100, China
2 School of Mechanical Engineering, Anhui Polytechnic University, Wuhu, 241000, China

* Corresponding Author: Yinhu Qiao. Email:

(This article belongs to the Special Issue: CFD Modeling and Multiphase Flows)

Fluid Dynamics & Materials Processing 2023, 19(10), 2661-2679. https://doi.org/10.32604/fdmp.2023.028059

Received 29 November 2022; Accepted 03 April 2023; Issue published 25 June 2023

Abstract

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.

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