涡流发生器设计参数对某40%厚度翼型性能影响的实验研究

周晓亮; 翁海平; 龚玉祥; 孔魁; 程明哲

doi:10.19912/j.0254-0096.tynxb.2020-1011

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太阳能学报 ›› 2022, Vol. 43 ›› Issue (6) : 212-218. DOI: 10.19912/j.0254-0096.tynxb.2020-1011

涡流发生器设计参数对某40%厚度翼型性能影响的实验研究

周晓亮, 翁海平, 龚玉祥, 孔魁, 程明哲

作者信息 +

EXPERIMENTAL STUDY ON EFFECT OF VORTEX GENERATOR DESIGN PARAMETERS ON 40% THICK AIRFOIL

Zhou Xiaoliang, Weng Haiping, Gong Yuxiang, Kong Kui, Cheng Mingzhe

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文章历史 +

摘要

涡流发生器（VG或VGs）经常作为被动式的流动控制措施用于风力机叶片内侧,以减轻流动分离对气动性能的影响。然而,对内侧大厚度和极大厚度翼型,VG流动的复杂性和强烈的非定常性给基于数值模拟的VG设计和性能评估带来很大的不确定性。本文基于某相对厚度40%的大厚度钝后缘风力机翼型,在西北工业大学NF-3低速翼型风洞开展了涡流发生器设计参数对大厚度翼型表面流动和气动性能影响的试验研究。通过对气动特性、特征参数和压力分布等的分析可看出,VGs有效地改善了目标翼型的流动分离,提高了翼型性能;在设计参数中,弦向安装位置和涡流发生器高度对性能影响最大。

Abstract

Vortex generators (VGs) are commonly used on wind turbine blades to mitigate the effects of flow separation. However, the complexity and strong unsteadiness of VG flows for large and extremely thick inner airfoils bring great uncertainty to VG design and performance evaluation based on numerical simulation. In present paper, the effect of vortex generator parameters on the flow and aerodynamic performance on a 40% thick airfoil was studied experimentally in NF-3 low speed wind tunnel of Northwestern Polytechnical University. The results show that the vortex generators improve the flow separation on the 40% thick airfoil effectively. Among the design parameters, the height of vortex generator and the chord installation position have the greatest influence on the aerodynamics performance.

导出引用

周晓亮, 翁海平, 龚玉祥, 孔魁, 程明哲. 涡流发生器设计参数对某40%厚度翼型性能影响的实验研究[J]. 太阳能学报. 2022, 43(6): 212-218 https://doi.org/10.19912/j.0254-0096.tynxb.2020-1011

Zhou Xiaoliang, Weng Haiping, Gong Yuxiang, Kong Kui, Cheng Mingzhe. EXPERIMENTAL STUDY ON EFFECT OF VORTEX GENERATOR DESIGN PARAMETERS ON 40% THICK AIRFOIL[J]. Acta Energiae Solaris Sinica. 2022, 43(6): 212-218 https://doi.org/10.19912/j.0254-0096.tynxb.2020-1011

中图分类号： V211.41+2

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