Characteristic Analysis of Three-Bladed Darrieus Wind Turbine Based on the Multiple Streamtube Model

Jing Ru Chen; Zhen Zhou Zhao; Tao Li

doi:10.4028/www.scientific.net/AMM.651-653.663

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 651-653Characteristic Analysis of Three-Bladed Darrieus...

Characteristic Analysis of Three-Bladed Darrieus Wind Turbine Based on the Multiple Streamtube Model

Abstract:

The paper analyzes the effect of airfoil thickness, camber and blade pitch angle on the performance of the three-bladed Darrieus wind turbines. The research results show that the increase of airfoil thickness, camber and pitch angle of blade, can improve power coefficient when the wind turbine tip speed ratio between zero and four. The increase of thickness and camber of the airfoil leads to running tip speed ratio range of wind turbine get narrowed, and reduces the power coefficient when wind turbine runs in high tip speed ratio range. When the pitch angle of blade is 1˚, power coefficient reaches the maximum value. Negative pitch angle has a bad impact on power coefficient and even creates negative power coefficients.

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Periodical:

Applied Mechanics and Materials (Volumes 651-653)

Pages:

663-667

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.651-653.663

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Online since:

September 2014

Authors:

Jing Ru Chen*, Zhen Zhou Zhao, Tao Li

Keywords:

Camber, Darrieus Wind Turbine, Multiple Streamtube Model, Pitch Angle, Thickness

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* - Corresponding Author

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