Table 1: Different configurations in the optimization process
Table 2: Bare turbine design
Figure 4: Flowchart of the hydrodynamic modelling process of ducted turbine
Figure 5: Duct geometries and hydrodynamic pressure computed with the panel method program
Figure 8: Hydrodynamic pressures computed with the DLOAD subroutine for three different flare angles
Figure 6: Comparison between (a) panel method mesh and (b) FEA mesh for a wing
Figure 9: Hydrodynamic, hydrostatic and gravity loads applied to the 5°duct flare angle
Table 3: Material properties used in the structural model for the GFRP [11]
Mahrez Ait Mohammed, Mostapha Tarfaoui, Jean Marc Laurens and Sylvain Moyne
Figure 10: Mesh configuration of (a) full model and (b) half model
Table 4: Material properties used for the sandwich panel webs core (Balsa AL600/10 CK-100) [12]
Figure 11: Spar box cross section configuration
Table 5: Critical position of stress concentration for the duct with 0° flare design
Table 6: Critical position of stress concentration for the duct with 2° flare design
Table 7: Critical position of stress concentration for the duct with 5° flare design
Table 6: Critical position of stress concentration for the duct with 2° flare design
Table 7: Critical position of stress concentration for the duct with 5° flare design
Figure 12: Critical positions of stress concentration for different duct configurations