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Effects of leading edge erosion on wind turbine blade performance

机译：前缘腐蚀对风机叶片性能的影响

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摘要

This paper presents results of a study to investigate the effect of leading edge erosion on the aerodynamic performance of a wind turbine airfoil. The tests were conducted on the DU 96-W-180 wind turbine airfoil at three Reynolds numbers between 1 million and 1.85 million, and angles of attack spanning the nominal low drag range of the airfoil. The airfoil was tested with simulated leading edge erosion by varying both the type and severity of the erosion to investigate the loss in performance due to an eroded leading edge. Tests were also run with simulated bugs on the airfoil to assess the impact of insect accretion on airfoil performance. The objective was to develop a baseline understanding of the aerodynamic effects of varying levels of leading edge erosion and to quantify their relative impact on airfoil performance. Results show that leading edge erosion can produce substantial airfoil performance degradation, yielding a large increase in drag coupled with a significant loss in lift near the upper corner of the drag polar, which is key to maximizing wind turbine energy production.
机译：本文提出了一项研究结果，以研究前缘腐蚀对风力涡轮机翼型气动性能的影响。测试是在DU 96-W-180风力涡轮机翼型上进行的，雷诺数在1百万至185万之间，攻角跨越了标称低阻力范围。通过改变侵蚀的类型和严重程度，对翼型进行了模拟前缘腐蚀测试，以研究由于前缘腐蚀而造成的性能损失。还对机翼上的模拟错误进行了测试，以评估昆虫积聚对机翼性能的影响。目的是发展对不同水平的前缘腐蚀所产生的空气动力影响的基线了解，并量化其对翼型性能的相对影响。结果表明，前缘腐蚀会导致机翼性能大幅下降，导致阻力大幅度增加，并且在阻力极上角附近的升力显着降低，这是最大化风力发电机能量产生的关键。

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  • 来源
    《Wind Energy》 |2014年第10期|1531-1542|共12页
  • 作者

    Agrim Sareen; Chinmay A. Sapre; Michael S. Selig;

  • 作者单位

    Department of Aerospace Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA;

    Department of Aerospace Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA;

    Department of Aerospace Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    wind turbine; leading edge erosion; performance; aerodynamics;

    机译：风力发电机前缘腐蚀;性能;空气动力学;

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