Fatigue Test Design: Scenarios for Biaxial Fatigue Testing of a 60-Meter Wind Turbine Blade

Nathan Post; Falko Burkner

doi:10.2172/1271941

Fatigue Test Design: Scenarios for Biaxial Fatigue Testing of a 60-Meter Wind Turbine Blade

Nathan Post
, Falko Burkner

National Wind Technology Center

Fraunhofer Institute for Wind Energy & Energy System Technology

Research output: NLR › Technical Report

Abstract

Current practice in commercial certification of wind turbine blades is to perform separate flap and lead-lag fatigue tests. The National Renewable Energy Laboratory has been researching and evaluating biaxial fatigue testing techniques and demonstrating various options, typically on smaller-scale test articles at the National Wind Technology Center. This report evaluates some of these biaxial fatigue options in the context of application to a multimegawatt blade certification test program at the Wind Technology Testing Center in Charlestown, Massachusetts.

Original language	American English
Number of pages	92
DOIs	https://doi.org/10.2172/1271941
State	Published - 2019

Bibliographical note

Originally published in July 2016 and revised in August 2019

NLR Publication Number

NREL/TP-5000-65227

Keywords

biaxial
fatigue wind turbine blade
IEC 61400-23
phase locked
resonance
resonant
structural testing

Access to Document

10.2172/1271941

Cite this

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abstract = "Current practice in commercial certification of wind turbine blades is to perform separate flap and lead-lag fatigue tests. The National Renewable Energy Laboratory has been researching and evaluating biaxial fatigue testing techniques and demonstrating various options, typically on smaller-scale test articles at the National Wind Technology Center. This report evaluates some of these biaxial fatigue options in the context of application to a multimegawatt blade certification test program at the Wind Technology Testing Center in Charlestown, Massachusetts.",

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AB - Current practice in commercial certification of wind turbine blades is to perform separate flap and lead-lag fatigue tests. The National Renewable Energy Laboratory has been researching and evaluating biaxial fatigue testing techniques and demonstrating various options, typically on smaller-scale test articles at the National Wind Technology Center. This report evaluates some of these biaxial fatigue options in the context of application to a multimegawatt blade certification test program at the Wind Technology Testing Center in Charlestown, Massachusetts.

KW - biaxial

KW - fatigue wind turbine blade

KW - IEC 61400-23

KW - phase locked

KW - resonance

KW - resonant

KW - structural testing

U2 - 10.2172/1271941

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Fatigue Test Design: Scenarios for Biaxial Fatigue Testing of a 60-Meter Wind Turbine Blade

Abstract

Bibliographical note

NLR Publication Number

Keywords

Access to Document

Fingerprint

Cite this