Rotor blade for a wind turbine

Details Rotor blade for a wind turbine Rotor blade for a wind turbine

F - Mech Eng,Light,Heat,Weapons

03

D

F03D 1/06 (2006.01)

Patent

CA 2554666

The invention relates to a rotor blade for a wind turbine with a drag ratio, in particular in the central or main board region of said rotor, whose value exceeds 80 % and preferably 90 % of the maximum value of said ratio within a range of ~2~ of the optimum pitch of said rotor.

L'invention concerne une pale d'une installation d'énergie éolienne ainsi qu'une installation d'énergie éolienne dotée d'un rotor avec de telles pales. L'invention vise à remédier aux inconvénients mentionnés et à assurer de meilleures performances globales. A cet effet, la pale de l'installation d'énergie éolienne selon l'invention a, notamment dans la zone centrale du rotor ladite planche principale, un coefficient de glissement qui a une valeur de plus de 80 %, de préférence 90 % et plus de la valeur maximale de ce coefficient de glissement dans la plage d'environ ±2° de l'angle d'incidence optimal.

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