摘要
针对小型风力发电机叶片径向气流利用率低的问题,采用仿生耦合技术,对长耳鸮翼羽结构加以研究。利用3D Scanner激光扫描仪系统逆向重构了鸮的翼羽结构,建立了仿生耦合桨叶结构模型,通过对NACA 0015基准翼型和仿生翼型进行对比计算,发现仿生翼型的升力随着节距与弦长比值s/c的减小而增加,当仿生耦合翼型节距与弦长比值s/c=0.33时,失速攻角达到16°,最大升力系数约为1.26,比基准翼型高13.5%。
With the aim to solve the specific problem of low utilization rate of small wind turbine generator blade radial flow, in order to investigate the long eared owl wing structure, the bionic coupling technology was adopted. The wing structure of the reverse reconstruction for the long eared owl was built by 3D Scanner laser scanner system and the bionic coupling blades structure theory model was established based on the wing feathers of sequential arrangement way. Through the comparison of the baseline NACA 0015 airfoil and the bionic coupling blades structure airfoil, the lift coefficient for the bionic coupling blades structure airfoil increases with blade pitch and chord length ratio s/c decreases. When s/c = 0.33, the CL value is the highest at α = 16°, CL = 1.26, which increases by 13.5% than baseline foil.
出处
《农业机械学报》
EI
CAS
CSCD
北大核心
2014年第6期212-215,共4页
Transactions of the Chinese Society for Agricultural Machinery
基金
国家高技术研究发展计划(863计划)资助项目(2012AAxxx0902)
吉林省科技发展计划资助项目(20120415)
