Aerodynamic responses of vertical-axis wind turbine foil to different vortex shedding patterns

ZHENG Xiaobo; WANG Hongliang; XU Wenhao; GAO Zhiteng; LENG Jun; LI Ye

doi:10.7638/kqdlxxb-2022.0040

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Aerodynamic responses of vertical-axis wind turbine foil to different vortex shedding patterns

更新时间：2026-05-28

- Aerodynamic responses of vertical-axis wind turbine foil to different vortex shedding patterns
- Vol. 41, Issue 6, Pages: 26-34(2023)
- 作者机构：
  
  1. 兰州理工大学能源与动力工程学院,兰州,730050
  2. 上海交通大学船舶海洋与建筑工程学院,上海,200240
  3. 上海交通大学多功能拖曳水池实验室,上海,200240
- 作者简介：
- 基金信息：
- DOI：10.7638/kqdlxxb-2022.0040
  CLC： TK14;O355;TK81;TK83
- Published：2023
- 稿件说明：
移动端阅览
郑小波, 王红亮, 徐文浩, 等. 不同涡脱落模式下垂直轴风力机叶片的气动响应[J]. 空气动力学学报, 2023, 41(6): 26−34.

ZHENG Xiaobo, WANG Hongliang, XU Wenhao, et al. Aerodynamic responses of vertical-axis wind turbine foil to different vortex shedding patterns[J]. 2023, 41(6): 26-34.
郑小波, 王红亮, 徐文浩, 等. 不同涡脱落模式下垂直轴风力机叶片的气动响应[J]. 空气动力学学报, 2023, 41(6): 26−34. DOI： 10.7638/kqdlxxb-2022.0040

ZHENG Xiaobo, WANG Hongliang, XU Wenhao, et al. Aerodynamic responses of vertical-axis wind turbine foil to different vortex shedding patterns[J]. 2023, 41(6): 26-34. DOI： 10.7638/kqdlxxb-2022.0040.

摘要

为研究尾流中不同涡脱落模式下垂直轴风力机（vertical-axis wind turbine

VAWT）叶片的气动响应，基于攻角变化相似性，进行了叶片正弦俯仰振动的比拟实验。研究发现：在弦长雷诺数

$(10^5)$

img text_id='M1' class='formula-img' style='display:none;' src='2022-040_M1.jpg'>

范围内，尾流存在3种涡型结构：前缘离散涡（leading-edge vortex

LEV）、蜿蜒尾流（undulating wake

UW）和反卡门涡街（reverse von Kármán vortex street

RvKVS）；随着叶尖速比

$ \lambda $

img text_id='M2' class='formula-img' style='display:none;' src='2022-040_M2.jpg'>

增大，VAWT叶片缩减频率

$ k $

img text_id='M3' class='formula-img' style='display:none;' src='2022-040_M3.jpg'>

增大，攻角幅值

$ {\alpha }_{\mathrm{m}} $

img text_id='M4' class='formula-img' style='display:none;' src='2022-040_M4.jpg'>

减小；叶轮叶片几何尺度比

较小时，在低

$ \lambda $

img text_id='M2' class='formula-img' style='display:none;' src='2022-040_M2.jpg'>

产生LEV涡型的可能性较小，在高

$ \lambda $

img text_id='M2' class='formula-img' style='display:none;' src='2022-040_M2.jpg'>

产生RvKVS涡型的可能性较大；

较大时，在低

$ \lambda $

img text_id='M2' class='formula-img' style='display:none;' src='2022-040_M2.jpg'>

产生LEV涡型的可能性较大，在高

$ \lambda $

img text_id='M2' class='formula-img' style='display:none;' src='2022-040_M2.jpg'>

产生RvKVS涡型的可能性较小。LEV涡型导致轻动态失速，造成VAWT叶片发生高频俯仰振动，但对叶轮转矩和VAWT功率影响不大。RvKVS涡型的出现，伴随叶片升力和转矩幅值增大以及平均推力的产生，会使VAWT叶片扭矩载荷增大，也会使叶轮转矩和输出功率提升。据此提出基于VAWT的新式风墙构型，在继承Nes浮式风墙构型优点的基础上，进一步提升了功率系数和风能输出密度。

Abstract

In order to study the aerodynamic response of the vertical axis wind turbine (VAWT) foil to different wake vortex shedding patterns

an analog experiment of the sinusoidally pitching foil was carried out based on the similarity of the variation of angle of attack. In the chord-based Reynolds number range of ~

$(10^5)$

img text_id='M9901' class='formula-img' style='display:none;' src='2022-040_M9901.jpg'>

three vortex patterns are identified in the wake: leading-edge vortex (LEV) pattern

undulating wake (UW) pattern

and reverse von Kármán vortex street (RvKVS) pattern. For VAWT

the reduced frequency

$ k $

img text_id='M12' class='formula-img' style='display:none;' src='2022-040_M12.jpg'>

increases while the amplitude of angle of attack

$ {\alpha }_{\mathrm{m}} $

img text_id='M13' class='formula-img' style='display:none;' src='2022-040_M13.jpg'>

decreases as the tip-speed ratio

$ \lambda $

img text_id='M14' class='formula-img' style='display:none;' src='2022-040_M14.jpg'>

increases. With a small ratio of the rotor radius over the foil chord

the LEV pattern is less likely to appear at low

$ \lambda $

img text_id='M14' class='formula-img' style='display:none;' src='2022-040_M14.jpg'>

while the RvKVS pattern is more likely to appear at high

$ \lambda $

img text_id='M14' class='formula-img' style='display:none;' src='2022-040_M14.jpg'>

. With large

the LEV pattern is more likely to appear at low

$ \lambda $

img text_id='M14' class='formula-img' style='display:none;' src='2022-040_M14.jpg'>

while the RvKVS pattern is less likely to appear at high

$ \lambda $

img text_id='M14' class='formula-img' style='display:none;' src='2022-040_M14.jpg'>

. The light dynamic stall caused by the LEV pattern makes VAWT foil pitch at a high frequency

but the rotor moment and the VAWT power are not affected significantly. The appearance of the RvKVS pattern causes the increase of amplitudes of lift and moment coefficients as well as the production of mean thrust on the foil

which increases the torque load on the foil

the r

otor moment

and the output power. Based on the results and discussions of the analogue experiment

a new configuration of the wind-catching wall with two-straight-foil small-scale VAWT units is proposed

which further improves the power coefficient for a given area of land

compared to the Nes configuration of the floating wind-catching wall with horizontal-axis wind turbine units.

关键词

Keywords

references

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