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MethodologyThe authors of this paper have modeled and 3D printed three different custom constructed shrouds with inlet angle 20,25,30.Figure 1 shows the modeled 30-degree shroud design.Figure 1 – Designed and 3D Modelled 30 degree shroudThe shroud with 30-degree angle was selected as it delivers significantly improved performance and power efficiency when compared to other shrouded wind augmentation devices with different anglesand a large wind augmentation device was manufactured using galvanized steel as shown in Figure 2. We initially designed different prototypes with different dimensions and analyzed the turbulence flow of the air and finalized the prototype with maximum turbulence output as shown in figure 3. In considerations with our budget limitation, we have scaled the prototype to the maximum dimensions possible. The device measures 60 inches in length, 50 inches outlet diameter and 72 inches inlet diameter as shown in figure 4.
Figure 2 – Wind Augmentation DeviceFigure 3- Turbulence flow observed in the prototype
Figure 4– Schematic Figure of the deviceWhile considering the shape and size of the inlet cone the authors followed the aerodynamic design of the of the nose cone section of rocket and missile to get the best optimal performance. The authors have chosen to adapt the conical nose cone shape design considering their optimal performance output and ease of construction.Source: NASA
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