Experimental investigation of airfoil-wake interaction of wind turbines using PIV

LI Mao-yi; YUAN Wei; LI Zhi-ping; GAI Feng; LU Ya-jun

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Experimental investigation of airfoil-wake interaction of wind turbines using PIV

更新时间：2026-07-07

- Experimental investigation of airfoil-wake interaction of wind turbines using PIV
- Vol. 26, Issue 2, (2011)
- 作者机构：
  
  北京航空航天大学能源与动力工程学院航空发动机气动热力国家级重点实验室,北京,100191
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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LI Mao-yi, YUAN Wei, LI Zhi-ping, et al. Experimental investigation of airfoil-wake interaction of wind turbines using PIV[J]. 2011, 26(2).
DOI：

LI Mao-yi, YUAN Wei, LI Zhi-ping, et al. Experimental investigation of airfoil-wake interaction of wind turbines using PIV[J]. 2011, 26(2). DOI：

摘要

实验采用粒子图像测速仪PIV(particle image velocimetry)技术对风力机翼型尾迹的气动干扰进行了研究.针对尾迹对翼型前缘、叶背和叶盆的不同激励

对下游翼型的流场结构进行了分析.结果表明:有益的尾迹激励为不明显改变下游翼型主流区的非定常激励;当上、下游翼型处于相同攻角和适当轴向距离时

在翼型前缘的尾迹激励使得翼型的叶背分离得到明显抑制.

Abstract

The airfoil-wake aerodynamic interaction of wind turbines was experimentally investigated using PIV(particle image velocimetry) technology.It analyzed the flow structure of downstream airfoil when the wake excited the leading edge

suction side and pressure side of airfoil

respectively.The results indicate that the helpful wake excitation is unsteady excitation which doesnt change main flow of downstream airfoil distinctly.The separation area at the suction side is restrained under the wake excitation at leading edge of airfoil when the upstream and downstream airfoils have the same incidence angle and appropriate axial-spacing.

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