Table 1: Computational grid structure for sensitivity analysis.
Grid | Cylinder's 1st cell | Wake X,Y,Z elements | Grid Points | Radial cell size increase ratio |
---|---|---|---|---|
x/D, y/D, z/D | ||||
R1 | 0.82%, 0.006% | 64, 65 | 28, 626 | 1.135 |
R2 | 0.065%, 0.006% | 64, 65 | 43, 232 | 1.109 |
R3 | 1.9%, 0.016% | 50, 56 | 13, 115 | 1.165 |
R4 | 0.96%, 0.008% | 50, 64 | 31, 686 | 1.165 |
R5 | 0.96%, 0.008% | 58, 135 | 39, 918 | 1.165 |
Coarse LES | 1.3%, 0.016%, 5.5% | 70, 77, 36 | 1, 013, 868 | 1.1 |
Fine LES | 0.96%, 0.016%, 4% | 125, 95, 50 | 2, 161, 391 | 1.07 |