Fundamentals for remote structural health monitoring of wind turbine blades - a preproject. Annex E. Full-scale test of wind turbine blade, using sensors and NDT

O.J.D. Kristensen, Malcolm McGugan, P. Sendrup, J. Rheinländer, J. Rusborg, A.M. Hansen, C.P. Debel, Bent F. Sørensen

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    Abstract

    A 19.1 metre wind turbine blade was subjected to static tests. The purpose of the test series was to verify the abilities of different types of sensors to detect damage in wind turbine blades.

    Prior to each of the static test-series an artificial damage was made on the blade. The damage made for each test-series was surveyed during each series by acoustic emission, fiber optic micro bend displacement transducers and strain gauges. The propagation of the damage was determined by use of ultra sonic and X-ray surveillance during stops in the test-series.

    By use of acoustic emission it was possible to detetct damage propagation before the propagation was of visible size. By use of fiber optic micro bend displacement transducers and strain gauges it was possible to measure minor damage propagation.

    By use of both ultra sonic, and X-ray NDT-equipment it were possible to determine the size of propagated damage.
    Original languageEnglish
    Place of PublicationRoskilde
    PublisherRisø National Laboratory
    Number of pages64
    ISBN (Print)87-550-3034-3
    Publication statusPublished - 2002
    SeriesDenmark. Forskningscenter Risoe. Risoe-R
    Number1333(EN)
    ISSN0106-2840

    Keywords

    • Risø-R-1333
    • Risø-R-1333(EN)

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