垂直轴风力机叶片改进动态失速模型

中国机械工程

垂直轴风力机叶片改进动态失速模型

张立军;赵昕辉;马东辰;米玉霞;王旱祥;姜浩

中国石油大学(华东)机电工程学院，青岛，266580

出版日期:2019-03-25 发布日期:2019-03-28
基金资助:
中央高校基本科研业务费专项资金资助项目（17CX05021）

Improved Dynamic Stall Model of Vertical Axis Wind Turbine Blades

ZHANG Lijun;ZHAO Xinhui;MA Dongchen;MI Yuxia;WANG Hanxiang;Jiang Hao

College of Electromechanical Engineering, China University of Petroleum, Qingdao, Shandong, 266580

Online:2019-03-25 Published:2019-03-28

摘要/Abstract

摘要： 为研究垂直轴风力机叶片在动态失速下的气动性能，结合风力机的实际工作情况对常用动态失速模型——B-L模型和MIT模型进行了修正。以Sandia实验室17 m垂直轴风力机为例，计算了风力机叶尖速比分别为2.33和3.09时叶片的动态切向力系数和动态法向力系数。研究结果显示：MIT修正模型对风力机上风区的切向力系数和下风区的法向力系数的预测精度较高；B-L修正模型对风力机上风区的法向力系数和下风区的切向力系数的计算结果与实验数据较一致。

关键词: 垂直轴风力机, 动态失速, B-L模型, MIT模型, 双致动盘多流管

Abstract: In order to calculate the aerodynamic performance of vertical axis wind turbine blades under dynamic stall, 2 dynamic stall models, B-L model and MIT model, were modified in detail based on actual working conditions of the wind turbines. Taking a vertical axis wind turbine with a height of 17 meters in Sandia laboratory as an example, dynamic tangential force coefficient and dynamic normal force coefficient of the blade were calculated based on the 2 models above when the blades tip speed ratio was as 2.33 and 3.09 respectively. The research results show that the MIT correction model has higher prediction accuracy for the tangential force coefficient in windward areas and the normal force coefficient in the leeward areas, and the B-L correction model has higher prediction accuracy for the normal force coefficient in the windward areas and the tangential force coefficient in the leeward areas.

Key words: vertical axis wind turbine, dynamic stall, B-L model, MIT model, double-multiple stream-tube

中图分类号:

TK83

张立军;赵昕辉;马东辰;米玉霞;王旱祥;姜浩. 垂直轴风力机叶片改进动态失速模型[J]. 中国机械工程.

ZHANG Lijun;ZHAO Xinhui;MA Dongchen;MI Yuxia;WANG Hanxiang;Jiang Hao. Improved Dynamic Stall Model of Vertical Axis Wind Turbine Blades[J]. China Mechanical Engineering.

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链接本文: http://www.cmemo.org.cn/CN/

http://www.cmemo.org.cn/CN/Y2019/V30/I06/638

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