Actions for Design and evaluation of low-cost laminated-wood-composite blades for intermediate-size wind turbines : blade design, fabrication concept, and cost analysis

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Design and evaluation of low-cost laminated-wood-composite blades for intermediate-size wind turbines : blade design, fabrication concept, and cost analysis

Author
Lieblein, S.
Published
United States : [publisher not identified], 1982
Springfield, Va.: National Technical Information Service, [approximately 1982]
Physical Description
microfiche : negative ; 11 x 15 cm
Additional Creators
Gougeon, M., Thomas, G., and Zuteck, M.

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Summary
As part of a program to reduce wind turbine costs, an evaluation was conducted of a laminated wood composite blade for the Mod-OA 200-kW wind turbine. The effort included the design and fabrication concept for the blade, together with cost and load analyses. The blade structure is composed of laminated Douglas fir veneers for the primary spar and nose sections, and honeycomb cored plywood panels for the trailing edge sections. The attachment of the wood blade to the rotor hub was through load takeoff studs bonded into the blade root. Tests were conducted on specimens of the key structural components to verify the feasibility of the concept. Fabrication cost was estimated to be about 15,000 to 18,000 per blade in 1982 dollars for a production rate of 100 blades per year. The major conclusion of the investigation was that the proposed wood composite blade design and fabrication concept is suitable for Mod-OA size wind turbines (125-ft diameter rotor) at a cost that is very competitive with other methods of manufacture.
Report Numbers
DE83010077; DOE/NASA/0101-1; NASA-CR-165463
Other Subject(s)
Collection
NTIS collection.
Note
DOE contract number: AI01-76ET20320
OSTI Identifier 6357527
Research organization: Gougeon Brothers, Bay City, MI (USA).
Research organization: Technical Report Services, Rocky River, OH (USA).
View MARC record | catkey: 47329434