INFLUENCE OF VORTEX GENERATORS INSTALLATION PARAMETERS ON DYNAMIC STALL OF WIND TURBINE AIRFOIL

Jiang Ruifang; Zhao Zhenzhou; Liu Huiwen; Ma Yuanzhuo; Chen Ming; Feng Junxin

doi:10.19912/j.0254-0096.tynxb.2021-0805

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (1) : 218-225. DOI: 10.19912/j.0254-0096.tynxb.2021-0805

INFLUENCE OF VORTEX GENERATORS INSTALLATION PARAMETERS ON DYNAMIC STALL OF WIND TURBINE AIRFOIL

Jiang Ruifang¹, Zhao Zhenzhou^1,2, Liu Huiwen¹, Ma Yuanzhuo¹, Chen Ming¹, Feng Junxin¹

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Abstract

Based on the k-ω SST turbulence model, the dynamic stall process of DU91-W2-250 airfoil segment with vortex generators（VGs） installedat different spacing（z） and installation angle（αvg） is numerically studied. The airfoil segment performs a typical sinusoidal pitch oscillation motion, and the influence of the VGs installation parameters on the flow control effect of the airfoil segment is investigated. It is found that changing the z has little effect on the aerodynamic performance, while changing the αvg has great effect; when z is from 6 to 8 mm,and αvg is from 13.4° to 16.4°, the VGs have a good effect on improving the aerodynamic performance of the airfoil segment. The strength of streamwise vortices is a major factor affecting the flow control effect of VGs.

Key words

wind turbines / numerical simulation / flow control / vortex generators / installation spacing / installation angle

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Jiang Ruifang, Zhao Zhenzhou, Liu Huiwen, Ma Yuanzhuo, Chen Ming, Feng Junxin. INFLUENCE OF VORTEX GENERATORS INSTALLATION PARAMETERS ON DYNAMIC STALL OF WIND TURBINE AIRFOIL[J]. Acta Energiae Solaris Sinica. 2023, 44(1): 218-225 https://doi.org/10.19912/j.0254-0096.tynxb.2021-0805

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