Abstract
This study has investigated the effect of the circular cylinder placed at the side of advancing and plate deflector placed in front of returning blade. The CFD approach is done to solve the incompressible URANS. The numerical validation is done by comparing the experimental results using torque coefficient data for Cm=0.185 and TSR=1.078. The turbine using conventional Savonius 1 m of diameter and 1 m of height. A circular cylinder have diameter of 0.7D placed at x/D = 0.5D and y/D = 0.7D. The plate deflector is placed at 1D in front and center of turbine by varying the deflector plate on perpendicular free stream in placed in front of returning at distance variations (y/D) of 0, 0.1, 0.2, 0.3 and 0.4 with deflector angle of 30 degree towards the free stream direction and the Reynolds number of 4.32 x105. The study indicates that the deflector and circular cylinder can increase the turbine Performance at y/D of 0.3 in about 9.71 %.
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