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

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

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

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (6) : 212-218. DOI: 10.19912/j.0254-0096.tynxb.2020-1011

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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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.

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wind turbines / vortex generator / thick airfoil / flow control / design parameter

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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

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