Aug 26, 2020 Download scientific diagram | The 2–8 bladed Savonius wind turbines models from publiion: CFD Analysis and Theoretical Modelling of Multiblade Small Savonius Wind Turbines | Vertical wind turbines are used in areas with nonstable wind directions or with turbulent air flows due to the reason that for a vertical wind turbine the wind direction is not an input design data ...