Strength analysis of a 5-m composite wind turbine blade under static and fatigue loading conditions

Strength analysis of a 5-m composite wind turbine blade under static and fatigue loading conditions

This study focuses on the static and fatigue strength analysis of the existing 5-m RUZGEM composite wind turbine blade with and without defect in the form of debonding. Puck progressive damage analysis is used to investigate the effect of defect introduced to the spar/pressure side interface on the...

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Veröffentlicht in:IOP conference series. Materials Science and Engineering 2020-10, Vol.942 (1), p.12045
Hauptverfasser: Muyan, C, Coker, D
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Sprache:eng
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Collapse
Damage assessment
Fatigue life
Fatigue strength
Turbine blades
Ultimate tensile strength
Wind turbines
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description This study focuses on the static and fatigue strength analysis of the existing 5-m RUZGEM composite wind turbine blade with and without defect in the form of debonding. Puck progressive damage analysis is used to investigate the effect of defect introduced to the spar/pressure side interface on the ultimate strength under extreme flap-wise (min) by single-loading point application. In addition, fatigue life according to the Germanischer Lyod (GL) guidelines is determined. For the original blade, collapse is observed after 85% loading, whereas due to defect, failure region changes and the blade collapses after 69% loading. Blade is found to exhibit sufficient resistance against fatigue. However, the inclusion of defect decreases the fatigue life of the blade significantly.
doi_str_mv 10.1088/1757-899X/942/1/012045
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subjects Collapse
Damage assessment
Fatigue life
Fatigue strength
Turbine blades
Ultimate tensile strength
Wind turbines
title Strength analysis of a 5-m composite wind turbine blade under static and fatigue loading conditions
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