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风力机叶片翼型动态试验技术研究

李国强 张卫国 陈立 聂博文 张鹏 岳廷瑞

李国强, 张卫国, 陈立, 聂博文, 张鹏, 岳廷瑞. 风力机叶片翼型动态试验技术研究[J]. 力学学报, 2018, 50(4): 751-765. doi: 10.6052/0459-1879-18-108
引用本文: 李国强, 张卫国, 陈立, 聂博文, 张鹏, 岳廷瑞. 风力机叶片翼型动态试验技术研究[J]. 力学学报, 2018, 50(4): 751-765. doi: 10.6052/0459-1879-18-108
Li Guoqiang, Zhang Weiguo, Chen Li, Nie Bowen, Zhang Peng, Yue Tingrui. RESEARCH ON DYNAMIC TEST TECHNOLOGY FOR WIND TURBINE BLADE AIRFOIL[J]. Chinese Journal of Theoretical and Applied Mechanics, 2018, 50(4): 751-765. doi: 10.6052/0459-1879-18-108
Citation: Li Guoqiang, Zhang Weiguo, Chen Li, Nie Bowen, Zhang Peng, Yue Tingrui. RESEARCH ON DYNAMIC TEST TECHNOLOGY FOR WIND TURBINE BLADE AIRFOIL[J]. Chinese Journal of Theoretical and Applied Mechanics, 2018, 50(4): 751-765. doi: 10.6052/0459-1879-18-108

风力机叶片翼型动态试验技术研究

doi: 10.6052/0459-1879-18-108
基金项目: 装备预先研究专用技术项目 (30103010304,30103010301)和国家“973”计划项目(2014CB046200)资助.
详细信息
    作者简介:

    *李国强, 助理研究员, 主要研究方向: 低速风洞试验‒翼型动态试验技术. E-mail:liguoqiang5169299@126.com

    通讯作者:

    李国强

  • 中图分类号: O355;

RESEARCH ON DYNAMIC TEST TECHNOLOGY FOR WIND TURBINE BLADE AIRFOIL

  • 摘要: 风力机叶片动态振荡过程往往伴随着俯仰和横摆同时进行, 以前对许多动态问题不清楚的阶段, 工程上不惜以增加叶片重量为代价而采用偏安全的设计, 通常忽略横摆振荡的影响; 大型风力机设计对获取翼型更加全面、准确的动态载荷提出了更高要求, 研究横摆振荡对翼型动态气动特性的影响规律具有重要意义. 本文首次开展翼型横摆振荡动态风洞试验研究, 采用“电子凸轮”技术代替机械凸轮实现了振荡频率和振荡角度的无级变化, 基于设计的电子外触发装置实现了对动态流场的实时测量, 实现了风洞来流、模型角位移和动态压力数据的同步采集, 分别开展了翼型静态测压、俯仰/横摆动态测压、粒子图像测速和荧光丝线等试验研究, 试验结果准度较高、规律合理; 分析了动态试验洞壁干扰影响机制. 研究表明, 横摆振荡翼型的气动曲线也存在明显迟滞效应; 随着振荡频率升高, 翼型俯仰和横摆振荡下的气动迟滞性均增强; 翼型俯仰振荡正行程的动态失速涡破裂有所延迟; 洞壁与模型端部交界处的强三维效应对翼型压力分布影响较大; 建立的横摆振荡试验技术可为风力机动态掠效应的研究提供技术支撑.

     

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  • 刊出日期:  2018-07-18

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