Wind turbine blade and wind turbine
AssigneeSiemens Gamesa Renewable Energy A/S
InventorsPeder Bay Enevoldsen, Peter Fuglsang, Florian Girschig, Jonas Madsen
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Abstract
A wind turbine blade includes a plurality of add-on elements, which are arranged on an outer surface of the blade, wherein the plurality of add-on elements includes at least one flexible add-on element and at least one stiff add-on element of the same add-on element type, wherein the flexible add-on element is made at least predominantly of an elastic material and the stiff add-on element are made at least predominantly of a stiff material, which is stiffer than the elastic material, wherein the flexible add-on element and the stiff add-on element are arranged offset in span-wise direction and/or in chord-wise direction of the blade.
Claims12
A wind turbine blade comprising a plurality of add-on elements, which are arranged on an outer surface of the blade, wherein the plurality of add-on elements comprises at least one flexible add-on element and at least one stiff add-on element of the same add-on element type, wherein the flexible add-on element consists at least predominantly of an elastic material and the stiff add-on element consists at least predominantly of a stiff material, which is stiffer than the elastic material, wherein the flexible add-on element and the stiff add-on element are arranged offset in span-wise direction and/or in chord-wise direction of the blade.
Dependencies are inferred from the claim text.