Figure 35 Simulation of Inlet Diameter Opening 18inch Figure 35 shows the

Figure 35 simulation of inlet diameter opening 18inch

This preview shows page 60 - 63 out of 174 pages.

flow velocity entering the assembly. Figure 35 - Simulation of Inlet Diameter Opening (18inch) Figure 35 shows the simulation done on the assembly with an inlet diameter of 18 inches of the inlet funnel. The simulation results shows the maximum flow velocity achieved was 4.57 m/s located in the turbine housing area. This maximum flow velocity achieved 3.05 times the inlet flow velocity entering the assembly. Table 6 - Optimization of Diameter of the Inlet Funnel Table 6 above shows the optimization of the inlet funnel data collected. The table shows five different diameters that were tested. From the five, it is observed that the 16inch diameter tested produced the highest flow velocity. The maximum flow velocity produced by the 16 inch diameter is 5.91 m/s. Therefore, the optimum diameter is 16inches combined with length of Outlet Inlet Volumetric Flow Reynolds Number Maximum Volumetric Flow Reynolds Number Diameter (in) Velocity (m/s) rate(m^3/s) Velocity (m/s) rate(m^3/s) 1 14 1.5 0.148971999 5.072E+05 4.71 0.08591732 6.826E+05 2 15 1.5 0.171013774 5.435E+05 5.8 0.105800522 8.405E+05 3 16 1.5 0.194575672 5.797E+05 5.91 0.107807083 8.565E+05 4 17 1.5 0.219657692 6.159E+05 5.75 0.104888448 8.333E+05 5 18 1.5 0.246259835 6.521E+05 4.57 0.083363514 6.623E+05 Optimization of Diameter of the Inlet Funnel Inlet Flow Inside Turbine
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P a g e | 60 15inches for the inlet and outlet funnel. Note: This flow velocity was produced through a smooth inlet and outlet funnel. No vortex blades were incorporated in the design. Test 3 - Optimization of Length of the Inlet Funnel In test 3, simulations were conducted on the inlet funnel to determine the optimum length of the inlet funnel. The simulations were conducted with different inlet funnel lengths to observe the behavior and determine the optimum length required. This optimization would ensure the selection of the most efficient length of the inlet funnel which produces the maximum flow velocity. Similarly to test 1, the simulations were conducted using Solid Works 2010 CosmosFloworks. Figure 36 - Simulation of Length of Inlet Funnel (10 Inches) Figure 36 shows the simulation conducted for funnel length of 10 inches. The diameter of the opening of the inlet funnel is 16 inches and the diameter of the MagLev Turbine inlet is 6 inches. From the simulation shown above, these dimensions produced a maximum flow velocity of 3.43 m/s. This is approximately 2.3 times the inlet flow velocity of 1.5m/s.
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P a g e | 61 Figure 37 - Simulation of Length of Inlet Funnel (13 Inches) Figure 37 shows the simulation conducted for funnel length of 13 inches. The diameter of the opening of the inlet funnel is 16 inches and the diameter of the MagLev Turbine inlet is 6 inches. From the simulation shown above, these dimensions produced a maximum flow velocity of 5.18 m/s. This is approximately 3.6 times the inlet flow velocity of 1.5m/s. Figure 38 - Simulation of Length of Inlet Funnel (14 Inches) Figure 38 shows the simulation conducted for funnel length of 14 inches. The diameter of the opening of the inlet funnel is 16 inches and the diameter of the MagLev Turbine inlet is 6 inches.
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