Rotor blade full-scale fatigue testing technology and research

Per Hørlyk Nielsen, Peter Berring, Christian Pavese, Kim Branner

Research output: Book/ReportReportResearch

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Full scale fatigue test is an important part of the development and design of wind turbine blades. Testing is also needed for the approval of the blades in order for them to be used on large wind turbines. However, usually only one prototype blade is tested. Fatigue test of wind turbine blades was started in the beginning of the 1980´s and has been further developed since then. Structures in composite materials are generally difficult and time consuming to test for fatigue resistance. Therefore, several methods for testing of blades have been developed and exist today. These methods will be presented in this report giving the blade test facility operator a guide to choose the method that best fit the needs and economic constraints. The state of the art method is currently dual axis mass resonance, where the purpose of the test is to emulate the loads the blades encounter in operation.
Original languageEnglish
PublisherDTU Wind Energy
Number of pages28
ISBN (Electronic)978-87-92896-71-1
Publication statusPublished - 2013
SeriesDTU Wind Energy E


  • DTU Wind Energy E-0041
  • DTU Wind Energy E-41

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