# MODELING A SHROUD FOR THE WIND TURBINE AND CARRYING A FLUID FLOW ANALYSIS USING CFD SOFTWARE PACKAGE

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3 Fig.4.5 Contours of velocity Magnitude Fig.4.2 Convergence criteria 4.1 Results of CFD analysis on diffuser/shroud and its discussion Fig.4.6 Contours of velocity Magnitude-Isometric Fig.4.3 Contours of static Pressure Here a shroud has been modeled and a control volume is defined as shown in fig.3.1. An atmospheric air flowing at a velocity of arbitrarily 10m/s has been made to flow through the control volume. Fig.4.3 and Fig.4.5 show the contours of static pressure and velocity. It is observed that the magnitude of velocity of air is increased to about 15.56m/s as it passes through shroud. Theoretical calculations in below also show approximately same results So, velocity at the 240mm diameter cross section can be obtained as, A V 1 = A V 2 V 2 = A 1V 1/A 2 V 2 = d 12 V 1/d 2 2 V 2 = *10/ V 2 = m/s Fig.4.4 Contours of static Pressure-Isometric 2015, IRJET.NET- All Rights Reserved Page 1751

4 4.2 Results of CFD analysis on blade geometry and its discussion Table.4.1 Nodal data of wind turbine blade geometry Fig.4.7 Geometric model of Blade Fig.4.8 Grid Generation around the blade Fig.4.9 Contours of Static Pressure Fig.4.10 Contours of Static Pressure 2015, IRJET.NET- All Rights Reserved Page 1752

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