RESEARCH ON METHODS FOR IMPROVING BLADE PERFORMANCE IN HIGH-ALTITUDE WIND FARMS

Zhang Yi&#x02019;nan; Liu Hongwei; Li Guohua; Gao Meng; Sun Ankang

doi:10.19912/j.0254-0096.tynxb.2024-1580

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (1) : 560-566. DOI: 10.19912/j.0254-0096.tynxb.2024-1580

RESEARCH ON METHODS FOR IMPROVING BLADE PERFORMANCE IN HIGH-ALTITUDE WIND FARMS

Zhang Yi’nan^1,2, Liu Hongwei¹, Li Guohua^1,2, Gao Meng¹, Sun Ankang¹

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Abstract

This paper evaluates the impact of low air density on the performance of blades for a high-power wind turbine. The GH-Bladed computing platform was used to compare the blade performance and turbine load in steady wind condition. The study found that low air density severely weakens the aerodynamic performance of the blades, leading to a delay in achieving rated power for wind turbines. Low air density expands the stall range on the blade surface, leading to an increase in stall risk. Under low air density conditions, installing vortex generators is an effective solution to avoid the loss of blade power generation, and ensure the load stability of the wind turbine. Without load constraints, however, increasing the blade chord length or optimizing the twist angle distribution is a highly efficient technique for improving blade aerodynamic performance.

Key words

wind turbine blades / low air density / aerodynamic performance / vortex generator / load analysis

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Zhang Yi’nan, Liu Hongwei, Li Guohua, Gao Meng, Sun Ankang. RESEARCH ON METHODS FOR IMPROVING BLADE PERFORMANCE IN HIGH-ALTITUDE WIND FARMS[J]. Acta Energiae Solaris Sinica. 2026, 47(1): 560-566 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1580

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