一种新型垂直轴风力机的尾流特性研究  

Study on Wake Characteristics of a New Type Vertical Axis Wind Turbine

作　　者：李争 于潇雪 齐伟强 LI Zheng;YU Xiao-xue;QI Wei-qiang(School of Electrical Engineering,Hebei University of Science and Technology,Hebei Shijiazhuang050018,China)

机构地区：[1]河北科技大学电气工程学院

出　　处：《机械设计与制造》2019年第10期206-208,212,共4页Machinery Design & Manufacture

基　　金：国家自然科学基金资助项目(51577048,51637001);河北省留学人员科技活动项目择优资助项目(C2015003044);高节能电机及控制技术国家地方联合工程实验室开放基金资助项目(KFKT201601)

摘　　要：以塞内加尔式风机为原型,结合垂直轴风机和水平轴风机的特点,研究一种风轮水平放置的新型结构的风机。利用ANSYS Workbench软件搭建风机模型,分析风机结构及周围流场的分布。基于空气动力学原理和流体力学软件,对风机的流场特性模拟仿真。分析在有无障碍物影响时,风机在风场中的受力,由障碍物对流场的阻碍作用提出了并行放置两排高低不同的机组的新型结构。对此风机附近流场尤其下风侧的尾流进行研究和仿真,结果显示,全新的机组结构能提高的风能利用率,充分利用风能,仿真验证了两排风机系统的可行性,为风电场机组的进一步优化提供了依据。Aiming at the characteristics of Senegal type wind turbine,a new type of wind wheel with horizontal structure of wind turbine is studied combined with the characteristics of vertical axis wind turbine(VAWT)and horizontal axis wind turbine(HAWT).The structure of turbine and the distribution of the surrounding flow field are studied by using ANSYS Workbench software.Based on aerodynamics principle and fluid dynamics software,the flow field characteristics of wind turbine are simulated.The force of the wind turbine is analyzed in the presence or absence of obstructions in the wind field.A new structure of parallel arrangement of two rows of machines with different heights is proposed.In this paper,the flow field around the wind turbine,especially the wake at the downstream is researched and simulated.The result shows that the new turbine structure can improve the utilization of wind energy and make full use of wind energy.The feasibility of this structure is verified with simulation,which provides the further optimization basis for the wind farm units.

关 键 词：塞内加尔式 风力机 尾流 风能利用率 风力发电 

分 类 号：TH16[机械工程—机械制造及自动化] TK83[动力工程及工程热物理—流体机械及工程]