Attachment system for a wind turbine rotor blade accessory
First Claim
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1. A rotor blade assembly for a wind turbine, comprising:
- a rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a tip and a root;
a strip-member blade accessory mounted to one of the rotor blade surfaces that stretches under normal operating conditions of the wind turbine, the strip-member blade accessory comprising;
a plurality of individual strip components attached along an edge of the rotor blade, each of the strip components extending in the span-wise direction from a first end to a second end, the plurality of individual strip components being spaced apart by a defined uniform gap between edges of adjacent strip components that provides relative shear slippage between the adjacent strip components, each strip component comprising;
a base portion;
a discontinuous attachment layer connecting the base portion of each strip component to the rotor blade surface, the attachment layer extending from the first end to the second end of each of the strip components, each attachment layer having a lower shear modulus than the base portion to allow for shear slippage between the base portion and the underlayer rotor blade surface; and
a plurality of fillet seals limited to the gaps between the edges of adjacent strip components.
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Abstract
A rotor blade assembly for a wind turbine has a rotor blade. A strip-member blade accessory is mounted to one of the rotor blade surfaces that stretches under normal operating conditions of the wind turbine. The blade accessory has a base portion. An attachment layer connects the base portion to the rotor blade surface and has a lower shear modulus than the base portion to allow for shear slippage between the base portion and the underlying rotor blade surface.
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Citations
19 Claims
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1. A rotor blade assembly for a wind turbine, comprising:
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a rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a tip and a root; a strip-member blade accessory mounted to one of the rotor blade surfaces that stretches under normal operating conditions of the wind turbine, the strip-member blade accessory comprising; a plurality of individual strip components attached along an edge of the rotor blade, each of the strip components extending in the span-wise direction from a first end to a second end, the plurality of individual strip components being spaced apart by a defined uniform gap between edges of adjacent strip components that provides relative shear slippage between the adjacent strip components, each strip component comprising; a base portion; a discontinuous attachment layer connecting the base portion of each strip component to the rotor blade surface, the attachment layer extending from the first end to the second end of each of the strip components, each attachment layer having a lower shear modulus than the base portion to allow for shear slippage between the base portion and the underlayer rotor blade surface; and a plurality of fillet seals limited to the gaps between the edges of adjacent strip components. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 14)
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12. A rotor blade assembly for a wind turbine, comprising:
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a rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a tip and a root; a strip-member segment attached along the trailing edge surface of the rotor blade, the strip-member segment comprising a plurality of longitudinally aligned strip components, each of the ship components comprising; a base portion extending in a span-wise direction from a first end to a second end and having a plurality of serrations extending from the base portion, and a discontinuous attachment layer connecting the base portion of each strip component to the trailing edge rotor blade surface, the attachment layer extending from the first end to the second end of each of the strip components, the attachment layer having a lower shear modulus than the base portion to allow for shear slippage between the base portion and the underlying trailing edge rotor blade surface; the strip components attached along an edge of the rotor blade, the strip components being spaced apart by a defined uniform gap between edges of adjacent strip components that provides relative shear slippage between the adjacent strip components; and a plurality of fillet seals limited to the gaps between the edges of adjacent strip components. - View Dependent Claims (13, 15, 16, 17, 18, 19)
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Specification