Mechanical Engineering Technologies and Applications

Volume: 2

Comparison between a Conventional and a Four-Stage Savonius Wind Rotor

Author(s): Sobhi Frikha*, Zied Driss and Mohamed Salah Abid

Pp: 156-173 (18)

DOI: 10.2174/9789815124125123020012

* (Excluding Mailing and Handling)


In this study, the influence of the shape on the characteristics of a Savonius wind rotor was studied in numerical simulations and experimental measurements. Particularly, we compared the features of the Savonius rotor with a new design rotor consisting of a four-stage configuration. We used “Solid Works Flow Simulation” to display the local characteristics in various transverse and longitudinal planes. The Navier-Stokes equations and the standard k-ε turbulence model were solved in the numerical model. A finite volume discretization method was applied to solve these equations. The experimental measurements were conducted in an open wind tunnel to validate the numerical model. 

Keywords: CFD, Savonius rotor, Turbulent flow, Wind tunnel.

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