Influence of Solidity and Camber on Vertical Axis Wind Turbines

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International Journal of Energy Applications and Technologies
Volume:3 Issue:1
Influence of Solidity and Camber on Vertical Axis Wind Turbines

Influence of Solidity and Camber on Vertical Axis Wind Turbines

Authors : Teresa Parra, Diego Palomar, Victor Salviejo, Cristobal Uzarraga, Armando Gallegos

Pages : 9-13

View : 98 | Download : 11

Publication Date : 2016-06-01

Article Type : Other Papers

Abstract :This paper aims to predict the performance of a VAWT using a cambered airfoil. The H-type Darrieus turbine consists of three straight blades with shape of aerofoil attached to a rotating vertical shaft. Bearing in mind the overall flow is characterized by important secondary flows, the turbulence model selected was Transition SST with non-equilibrium wall functions. Conservation equations were solved with a Third-Order Muscl scheme using SIMPLE to couple continuity and momentum equations. A parametric study has been carried out to analyze the solidity and camber effects on the non-dimensional curves so that the range of tip speed ratio of operation could be predicted as well as their self-starting behavior.
Keywords : VAWT, CFD, solidity, efficiency, NACA, H Darrieus

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