WIND TURBINE ROTOR BLADE HAVING A SHEAR WEB
A wind turbine rotor blade comprising* a blade tip,* a blade root for attachment to a rotor hub, the blade root defining a z-axis of a right-handed coordinate system,* an aerodynamic shell having a leading edge, a trailing edge, a pressure side, a suction side, and, at a longitudinal position close...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A wind turbine rotor blade comprising* a blade tip,* a blade root for attachment to a rotor hub, the blade root defining a z-axis of a right-handed coordinate system,* an aerodynamic shell having a leading edge, a trailing edge, a pressure side, a suction side, and, at a longitudinal position close to the blade tip, an aerodynamic profile with a chord and a profile height, the chord defining a direction of a y-axis of the right-handed coordinate system and the profile height defining a direction of an x-axis of the right-handed coordinate system, and* a load carrying structure including a shear web connecting the pressure side and the suction side,* wherein the wind turbine rotor blade has a prebend towards the pressure side such that the blade tip is offset from the z-axis along the direction of the x-axis and* wherein the wind turbine rotor blade has a sweep towards the trailing edge such that the blade tip is offset from the z-axis along the direction of the y-axis,* wherein the shear web is a planar shear web defining a shear web plane,* the shear web plane comprises the z-axis or has a constant distance therefrom, and* the shear web plane is inclined with regard to the x-axis. |
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