Experimental observation of fatigue degradation in a composite wind turbine blade

Xiao Chen

doi:10.1016/j.compstruct.2019.01.051

Experimental observation of fatigue degradation in a composite wind turbine blade

Xiao Chen^*

^*Corresponding author for this work

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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 language	English
Journal	Composite Structures
Volume	212
Pages (from-to)	547-551
ISSN	0263-8223
DOIs	https://doi.org/10.1016/j.compstruct.2019.01.051
Publication status	Published - 15 Mar 2019

Keywords

Composite blade
Damage
Damping
Fatigue degradation
Matrix crack
Torsional mode

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10.1016/j.compstruct.2019.01.051

XiaoChenCOSTAccepted author manuscript, 1.04 MBLicence: CC BY-NC-ND

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Smart Damage Prognostics by Automated Thermographic Analysis for Wind Turbine Blades under Cyclic Loads
Chen, X. (Speaker)
26 May 2021
Activity: Talks and presentations › Conference presentations

File
Local buckling, three-dimensional stresses and progressive failure of root transition region of large composite WT blades
Chen, X. (Invited speaker)
26 Jun 2017
Activity: Talks and presentations › Conference presentations

File

Cite this

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title = "Experimental observation of fatigue degradation in a composite wind turbine blade",

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.",

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AB - 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.

KW - Composite blade

KW - Damage

KW - Damping

KW - Fatigue degradation

KW - Matrix crack

KW - Torsional mode

U2 - 10.1016/j.compstruct.2019.01.051

DO - 10.1016/j.compstruct.2019.01.051

M3 - Journal article

AN - SCOPUS:85060100376

SN - 0263-8223

VL - 212

SP - 547

EP - 551

JO - Composite Structures

JF - Composite Structures

ER -

Experimental observation of fatigue degradation in a composite wind turbine blade

Abstract

Keywords

Access to Document

OpenUrl availability

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Activities

Smart Damage Prognostics by Automated Thermographic Analysis for Wind Turbine Blades under Cyclic Loads

Local buckling, three-dimensional stresses and progressive failure of root transition region of large composite WT blades

Cite this