Experimental observation of fatigue degradation in a composite wind turbine blade

Xiao Chen*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

This study reports experimental observation of structural degradation in a composite wind turbine blade subject to fatigue loading. The fatigue test is carried out according to the test standard for the blade certification. The changes of bending stiffnesses, natural frequencies and damping ratios due to fatigue are examined and discussed. The study provides the first of this kind observation on full-scale composite rotor blades in the literature.

Original languageEnglish
JournalComposite Structures
Volume212
Pages (from-to)547-551
ISSN0263-8223
DOIs
Publication statusPublished - 15 Mar 2019

Keywords

  • Composite blade
  • Damage
  • Damping
  • Fatigue degradation
  • Matrix crack
  • Torsional mode

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