Reliability of wind turbine blades: An overview of materials testing

John W. Holmes, Bent F. Sørensen, Povl Brøndsted

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch


    The structural reliability of wind turbine components can have a profound impact on both the profitability and reputation of a wind turbine manufacturer or supplier of wind turbine components. The issue of reliability is of critical concern when large wind farm co-operatives are considered, and when wind turbines are located in remote regions where the cost of inspections and repairs can be very high. From a structural viewpoint, wind turbine blades are subjected to very complex loading histories with coupled deformation modes. The long-term reliability of wind turbine blades requires an understanding of how damage develops in composite structures, composite materials and adhesives. Designing reliable wind turbine blades also requires the further development of laboratory scale and full scale test methods to evaluate the structural response and durability of new materials under various loading and environmental conditions. This paper highlights recent advances in methods used to characterize adhesive joints in wind turbine blades and the manner in which laboratory data is used to predict the structural response of wind turbine blades.
    Original languageEnglish
    Title of host publicationProceedings of the Wind Power Shanghai 2007
    Place of PublicationShanghai
    PublisherChinese Renewable Energy Industry Association
    Publication date2007
    Publication statusPublished - 2007
    EventWind Power Shanghai 2007 - Shanghai, China
    Duration: 31 Oct 20073 Nov 2007


    ConferenceWind Power Shanghai 2007


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