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Table 2 Mean and maximum values of induced downwash and velocity for different grid densities

From: Numerical method to compute acoustic scattering effect of a moving source

Meshing parameters Induced downwash Circumferential induced velocity
Grid cells (k) D(mm) e mean e max e mean e max
82 2.024 1.035 4.101 0.815 1.584
102 1.326 0.893 3.538 0.771 1.359
211 1.078 0.887 2.998 0.514 1.115
496 0.864 0.777 2.634 0.371 0.969
688 0.631 0.630 2.204 0.223 0.838
861 0.517 0.436 1.969 0.158 0.775
932 0.203 0.257 1.431 0.103 0.516