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 |