Table 3 Mesh independence study for the CSWT.
From: Advanced blade profiles for improved efficiency in Savonius wind turbines: the aeroleaf case study
Grid properties | Grid 1 | Grid 2 | Grid 3 | Grid 4 |
|---|---|---|---|---|
Number of elements \(\:\times\:{10}^{6}\) | 1.1 | 2.15 | 3.46 | 4.5 |
Number of inflation layers | 8 | 10 | 12 | 14 |
Inflation growth rate | 1.18 | 1.12 | 1.07 | 1.03 |
Maximum skewness | 1.04 | 0.95 | 0.71 | 0.68 |
Averaged \(\:{y}^{+}\) | 9.63 | 6.54 | 3.41 | 3.27 |
Torque (N.m) | 3.377 | 3.480 | 3.494 | 3.495 |
