几何参数对H型垂直轴风力机气动性能影响的研究  

Influence of Geometric Parameters on Aerodynamic Performance of H-Type Vertical Axis Wind Turbine

作　　者：汪泉[1] 甘笛 杨书益 王环均 WANG Quan;GAN Di;YANG Shu-yi;WANG Huan-jun(School of Mechanical Engineering,Hubei University of Technology,Hubei Wuhan 430068,China)

机构地区：[1]湖北工业大学机械工程学院,湖北武汉430068

出　　处：《机械设计与制造》2023年第9期203-206,211,共5页Machinery Design & Manufacture

基　　金：国家自然科学基金(51975190)。

摘　　要：为了研究几何参数对H型垂直轴风力机(H-VAWT)空气动力学性能的影响,以最大限度的提高其风能利用率,采用NACA0015翼型作为H-VAWT的叶片,利用CFD数值模拟方法来预测H-VAWT在工作状态下的空气动力学特性,并通过与实验结果对比来验证CFD数值模拟结果的准确性与可信度。研究结果表明:叶片安装角度为-2°,叶片弦长在0.35m附近时,H-VAWT具有最优的空气动力学特性;H-VAWT在低转数运行下,3叶片且风力机半径为1.2m时,H-VAWT气动特性较好;H-VAWT在高转速运行下,2叶片且风力机半径为1.8m时,H-VAWT气动特性较好。此研究对H型垂直轴风力机叶片翼型气动外形优化设计提供参考依据,具有一定的工程应用价值。In order to study the influence of geometric parameters on the aerodynamic performance of H-type vertical axis wind turbine(H-VAWT)and maximize its wind energy utilization,NACA0015 airfoil is used as the blade of H-VAWT,and CFD nu⁃merical simulation method is used to predict the aerodynamic characteristics of H-VAWT under working,and the accuracy and credibility of CFD numerical simulation results is verified by comparing with experimental results.The results show that:when the blade installation angle is-2°and the blade chord length is around 0.35m,the H-VAWT has the optimal aerodynamic char⁃acteristics;when the H-VAWT operates at low speed,the H-VAWT has better aerodynamic characteristics when the wind turbine radius is 1.2m with 3 blades;when the H-VAWT operates at high speed,the H-VAWT has better aerodynamic characteristics when the wind turbine radius is 1.8m with 2 blades.This study provides a reference for the aerodynamic shape optimization design of H-type vertical axis wind turbine blade airfoil,and has certain engineering application value.

关 键 词：几何参数 风能利用率 安装角度 垂直轴风力机 

分 类 号：TH16[机械工程—机械制造及自动化] TM315[电气工程—电机]