Design and Static Structural Analysis of a 2.5 kW Combined Darrieus-Savonius Wind Turbine

Fateh Ferroudji; Cherif Khelifi; Farouk Meguellati; Khaled Koussa

doi:10.4028/www.scientific.net/JERA.30.94

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Design and Static Structural Analysis of a 2.5 kW Combined Darrieus-Savonius Wind Turbine

Abstract:

Modeling and simulation of mechanical structures in development phase are fundamental to optimize and improve the stability and reliability of the final product as well as to reduce the cost of prototyping and testing. Wind turbines are subject to critical loading to the centrifugal force due to wind speed and gravitational force. The present study discusses three-dimensional numerical simulations of combined Darrieus-Savonius wind turbine D-SWT for applications in urban and isolated areas for lighting, pumping water, etc. The Darrieus turbine is used to produce wind power and the Savonius rotor to start the system. Finite Element Analysis (FEA) using SolidWorks 2015 is employed to generate the geometry of the structure and SolidWorks Simulation to investigate the stability and reliability static on the structure of the D-WST built by two types of material of the blade Galvanized Steel (GS) and Aluminum alloys 1060-H18 (ALU). Mechanical parameter of the structure are calculated for critical loading conditions, including the gravity and wind pressure loading due to the wind speed of 23m/s. Simulations results indicate no structural failure is predicted for all components of the D-SWT for both materials used according to Von Mises criterion stresses and the factors of safety of the most fragile material are greater than (the unity) 1. The maximum displacements found (3.84 & 6.81mm), occurred at the tip blades (free ends levels). These displacements are accepted relatively to the structure size.

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Periodical:

International Journal of Engineering Research in Africa (Volume 30)

Pages:

94-99

DOI:

https://doi.org/10.4028/www.scientific.net/JERA.30.94

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Online since:

May 2017

Authors:

Fateh Ferroudji*, Cherif Khelifi, Farouk Meguellati, Khaled Koussa

Keywords:

Centrifugal Force, Darrieus-Savonius Wind Turbine, Finite Element Analysis (FEA), SolidWorks, Static Analysis

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