• CN:11-2187/TH
  • ISSN:0577-6686

机械工程学报 ›› 2017, Vol. 53 ›› Issue (13): 143-149.doi: 10.3901/JME.2017.13.143

• 数字化设计与制造 • 上一篇    下一篇

基于连续攻角的风力机翼型整体气动性能提高的优化设计

汪泉1, 陈进2, 王君1, 孙金风1   

  1. 1. 湖北工业大学机械工程学院 武汉 430068
    , 2. 重庆大学机械工程学院 重庆 400044
  • 出版日期:2017-07-05 发布日期:2017-07-05
  • 作者简介:

    汪泉(通信作者),男,1984年出生,博士研究生,讲师。主要研究方向为机械系统优化及可再生能源装备设计理论及方法。

    E-mail:quan_wang2003@163.com

  • 基金资助:
    * 国家自然科学基金资助项目(51405140); 20160909收到初稿,20170305收到修改稿;

Wind Turbine Airfoil Optimal Design With High Whole Aerodynamic Performance Considering Continuous Angle of Attack

WANG Quan1, CHEN Jin2, WANG Jun1, SUN Jinfeng1   

  1. 1. School of Mechanical Engineering, Hubei University of Technology, Wuhan 430068
    , 2. College of Mechanical Engineering, Chongqing University, Chongqing 400044
  • Online:2017-07-05 Published:2017-07-05

摘要:

目前风力机翼型都是考虑单点设计攻角而开发出来,以追求局部气动性能的极大值,而忽略了连续设计攻角范围内翼型整体气动性能。结合翼型泛函集成理论及复杂型线表面曲率光滑连续性思想,提出连续攻角情况下风力机翼型廓线设计新方法,以解决翼型优化设计中其气动力难以收敛这一关键问题,并实现翼型整体气动性能的提高。将连续攻角情况下设计出来的WQ-B翼型与单点攻角情况下设计出来的WQ-A翼型进行了气动性能对比分析;并将WQ-B翼型系列应用到实际2 MW风力机叶片中。研究表明:相比WQ-A翼型及实际叶片,WQ-B新翼型系列及叶片整体性能均有显著提高。该研究不仅验证了该设计方法的可行性,而且也表明WQ-B翼型系列具有广泛的通用性及可置换性。

关键词: 表面曲率光滑连续性, 叶片性能, 翼型泛函集成, 连续攻角

Abstract:

the current airfoil design methods are based on one point of design angle of attack, in order to seek the local maximum aerodynamic performance without considering the whole high aerodynamic performance within continuous design angle of attack. Based on airfoil functional integral and complicated profile curvature smooth continuity theory, a novel airfoil design method considering continuous angle of attack is presented. It not only can make the aerodynamic force convergence, but also make the whole aerodynamic performance increased. the aerodynamic comparison of the WQ-B airfoil series which are designed considering continuous angle of attack and the WQ-A airfoil series which are designed without considering continuous angle of attack is analyzed. Meanwhile, the WQ-B airfoil series are used to a real 2 MW wind turbine blade. The results are showed that, compared to the WQ-A airfoil and the actual blade, the WQ-B airfoil series and new blade exhibit better whole performance. This study verifies the feasibility for the novel design method. Moreover, it also indicates that the WQ-B airfoil series have broad generality and substitutability.

Key words: airfoil functional integral, blade performance, surface curvature smooth continuity, continuous angle of attack