Research Article
Computational Aerodynamic Analysis of Offshore Upwind and Downwind Turbines
Table 3
Comparison of the bending moment of the tower to the base center.
| | Wind turbine | RPM | Base moment (mean)
[N*m] *10−7 | Base moment (peak)
[N*m] *10−7 | (Mean − peak)/mean (%) |
| | UW/3BLD | 12.1 | 8.58 | 8.36 | 2.6 | | DW/3BLD | 12.1 | 8.19 | 7.65 | 6.6 | | UW/2BLD | 12.1 | 6.24 | 5.99 | 4.0 | | DW/2BLD | 12.1 | 6.01 | 5.41 | 6.0 | | UW/2BLD | 16 | 8.14 | 7.79 | 9.9 | | DW/2BLD | 16 | 8.85 | 8.26 | 6.7 |
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