Computational Aerodynamic Analysis of Offshore Upwind and Downwind Turbines

Table 1

Comparison of rotor power and torque.

Configuration	RPM	Power [MW]	Torque (mean); [N*m] *10^−6	Torque (peak); [N*m] *10^−6	(Peak − mean)/mean (%)
UW/3BLD	12.1	5.29	4.17	3.91	6.23
DW/3BLD	12.1	4.93	3.89	2.94	24.4
UW/2BLD	12.1	4.47	3.55	3.15	11.3
DW/2BLD	12.1	4.19	3.35	2.00	40.3
UW/2BLD	16	4.85	2.89	2.54	12.1
DW/2BLD	16	4.93	2.94	1.81	38.4