Computational Aerodynamic Analysis of Offshore Upwind and Downwind Turbines

Table 2

Comparison of blade hub bending moments.

Configurations	RPM	Hub moment (mean); [N*m] *10^−7	Hub moment (peak); [N*m] *10^−7	(Peak − mean)/mean (%)
UW/3BLD	12.1	1.32	1.26	4.5
DW/3BLD	12.1	1.25	0.88	29.6
UW/2BLD	12.1	1.43	1.35	5.6
DW/2BLD	12.1	1.35	0.93	31.1
UW/2BLD	16	1.94	1.85	4.6
DW/2BLD	16	2.12	1.67	21.2