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风力机叶型增升及叶尖流动控制研究

白亚磊 马兴宇 明晓

白亚磊, 马兴宇, 明晓. 风力机叶型增升及叶尖流动控制研究[J]. 应用数学和力学, 2011, 32(7): 774-784. doi: 10.3879/j.issn.1000-0887.2011.07.002
引用本文: 白亚磊, 马兴宇, 明晓. 风力机叶型增升及叶尖流动控制研究[J]. 应用数学和力学, 2011, 32(7): 774-784. doi: 10.3879/j.issn.1000-0887.2011.07.002
BAI Ya-lei, MA Xing-yu, MING Xiao. Lift Enhancement of the Airfoil and Tip Flow Control for Wind Turbine[J]. Applied Mathematics and Mechanics, 2011, 32(7): 774-784. doi: 10.3879/j.issn.1000-0887.2011.07.002
Citation: BAI Ya-lei, MA Xing-yu, MING Xiao. Lift Enhancement of the Airfoil and Tip Flow Control for Wind Turbine[J]. Applied Mathematics and Mechanics, 2011, 32(7): 774-784. doi: 10.3879/j.issn.1000-0887.2011.07.002

风力机叶型增升及叶尖流动控制研究

doi: 10.3879/j.issn.1000-0887.2011.07.002
基金项目: 国家“973”基金资助项目(2007CB714600)
详细信息
    作者简介:

    白亚磊(1982- ),男,河南南阳人,博士(E-mail:by@lnuaa.edu.cn);明晓(1944- ),男,武汉人,教授,博士生导师(联系人.Tel:+86-25-84892651;E-mail:mingam@nuaa.edu.cn).

  • 中图分类号: O354.1

Lift Enhancement of the Airfoil and Tip Flow Control for Wind Turbine

  • 摘要: 研究了两种改善风力机叶型气动性能的流动控制技术,分别对风力机专用S809翼型和较大升阻比的FX 60-100翼型进行应用研究.首先,通过在叶型前缘加装流动偏转器,研究流动偏转器对叶型流动分离的控制效果.并采用多岛基因算法,对流动偏转器进行多参数优化.结果表明:流动偏转器可以有效控制叶型的失速特性,推迟失速攻角和增加升力;基因优化算法能更大地提升流动偏转器的控制效果.其次,基于对风力机叶尖旋涡和尾涡特征以及叶片表面压力分布的分析,在叶片尖部加装不同倾斜角的旋涡扩散器控制叶尖涡.结果表明:涡扩散器能够提高叶尖涡涡核的总压,削弱其旋涡强度,使风力机尾流旋涡耗散更快,从而可以减小噪声,提高叶片效率.
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出版历程
  • 收稿日期:  2011-02-21
  • 修回日期:  2011-05-16
  • 刊出日期:  2011-07-15

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