几何特性对风力机翼型粗糙度敏感性的影响

doi:10.3901/JME.2018.14.198

机械工程学报 ›› 2018, Vol. 54 ›› Issue (14): 198-206.doi: 10.3901/JME.2018.14.198

• 可再生能源与工程热物理 • 上一篇下一篇

几何特性对风力机翼型粗糙度敏感性的影响

刘洪鹏¹, 严儒井¹, 王玉忠², 王擎¹

1 东北电力大学能源与动力工程学院吉林 132012;
2. 大唐新能源山东公司济南 250000

收稿日期:2017-11-07 修回日期:2018-05-10 出版日期:2018-07-20 发布日期:2018-07-20
通讯作者: 王擎(通信作者),男,1965年出生,博士后,教授,博士研究生导师。主要从事能源综合利用研究。E-mail:rlx888@126.com
作者简介:刘鸿鹏,男,1983年出生,博士研究生,硕士研究生导师。主要从事新能源方向的研究。E-mail:hongpeng5460@126.com
基金资助:
长江学者和创新团队发展计划资助项目（IRT13052）。

Research of Geometric Features Effect on the Wind Turbine Airfoil Roughness Sensitivity

LIU Hongpeng¹, YAN Rujing¹, WANG Yuzhong², WANG Qing¹

1. The School of energy and power engineering, Northeast Electric Power University, Jilin 132012;
2. Datang new energy Shandong company, Jinan 250000

Received:2017-11-07 Revised:2018-05-10 Online:2018-07-20 Published:2018-07-20

摘要/Abstract

摘要： 基于正交试验的方法，采用XFOIL软件研究最大相对厚度、最大相对弯度以及尾缘厚度对翼型前缘粗糙度敏感性的影响，推导评价翼型粗糙度敏感性的指标，并讨论翼型表面不同区域加密面元节点对XFOIL软件计算结果的影响。研究表明，在翼型上表面正压力梯度区域加密面元节点会对XFOIL软件的计算结果产生明显的影响，而在其它区域增加面元节点个数会增加计算的收敛速度，但对计算结果没有明显的影响。通过极差和方差分析发现，翼型前缘粗糙会导致翼型多方面的气动性能参数变坏，翼型的最大相对厚度会对所有的敏感性指标产生显著性影响，而最大相对弯度和尾缘厚度仅对其中一些指标产生明显的影响，且增大翼型的尾缘厚度有利于降低由于前缘粗糙引起的升力系数和升阻比的下降。

关键词: XFOIL软件, 粗糙度敏感性, 风力机翼型, 显著性影响, 正交试验

Abstract: Based on the method of orthogonal test, researches the influence that the maximum relative thickness, the maxim relative camber and trailing edge thickness of airfoil exert upon the airfoil leading edge roughness sensitivity, to evaluate the airfoil roughness sensitivity index, and discusses the effect that increasing surface plane node on different regions of airfoil surface exerts upon the calculation results of the XFOIL software. The results show that inserting the surface node on the negative normal pressure gradient region of upper surface has a significant effect on the calculation results, and on the other rest of region of airfoil, the speed of convergence will increase, but no obvious effect on the calculation results. Through range and variance analysis, it was found that the roughness in the leading edge of airfoil will result in the deterioration of aerodynamic performance, and the maximum relative thickness in airfoil will have a significant impact on all the indictors of the sensitivity of airfoil, but the maximum relative camber and the trailing edge thickness only on some indicators among them. Meanwhile the increase of trailing edge thickness will positively exert upon cutting down the decrease of the lift coefficient and lift-drag ratio caused by the leading edge roughness of airfoil.

Key words: orthogonal test, roughness sensitivity, significant influence, wind turbine airfoil, XFOIL software

中图分类号:

TK83

刘洪鹏, 严儒井, 王玉忠, 王擎. 几何特性对风力机翼型粗糙度敏感性的影响[J]. 机械工程学报, 2018, 54(14): 198-206.

LIU Hongpeng, YAN Rujing, WANG Yuzhong, WANG Qing. Research of Geometric Features Effect on the Wind Turbine Airfoil Roughness Sensitivity[J]. Journal of Mechanical Engineering, 2018, 54(14): 198-206.

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几何特性对风力机翼型粗糙度敏感性的影响

Research of Geometric Features Effect on the Wind Turbine Airfoil Roughness Sensitivity

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