叶片交叠布置垂直轴风力机气动性能研究  

Research on aerodynamic characteristics for the stagger blade vertical axis wind turbine

作　　者：高强[1] 蔡新[1,2] 舒超[1] 潘盼[1] 郭兴文[1] 

机构地区：[1]河海大学力学与材料学院,江苏南京210098 [2]河海大学水利水电学院,江苏南京210098

出　　处：《可再生能源》2015年第9期1356-1361,共6页Renewable Energy Resources

基　　金：江苏高校首批2011计划"沿海开发与保护协同创新中心"计划(苏政办发[2013]56号);南通市科技计划引导专项(2013400303)

摘　　要：对麦克马斯特大学H型垂直轴风力机进行改进,交错布置其叶片,设计了一种叶片交叠布置垂直轴风力机。基于CFD方法计算典型工况下叶片交叠布置垂直轴风力机的功率,结果表明,在相同几何尺寸和工况下叶片交叠布置垂直轴风力机的功率系数高于麦克马斯特大学H型垂直轴风力机,在尖速比为1.6时,最大功率系数达到0.338。最后分析了风场的涡强和风速分布特性,得出叶片交叠布置对于减少尾流影响具有显著作用的结论。Through staggering the blade, a stagger blade vertical axis wind turbine is designed on the basis of Mc Master university H-type small vertical axis wind turbines. With employing CFD method,the power of the stagger blade vertical axis wind turbine is calculated under the typical working conditions. The results show that with the same geometry size and the working conditions, the power coefficient of the stagger blade wind turbine is higher than that of Mc Master H-type vertical axis wind turbines. The maximum power coefficient reaches 0.338 when the tip speed ratio is 1.6. Finally, the vorticity and wind speed distribution characteristics is analyzed, and the results indicate that staggering the blade has significant effect on reducing wake flow.

关 键 词：叶片交叠布置 垂直轴风力机 功率系数 气动性能 尾流 

分 类 号：TK83[动力工程及工程热物理—流体机械及工程]