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Active Thermographic Structural Feature Inspection of Wind-Turbine Rotor

  • Checking wind turbines for damage is a common problem for operators of wind parks, as regular inspections are legally required in many countries and prevention is economically viable. While some of the common forms of damage are easily visible on the surface, structural problems can remain invisible for years before they eventually result in catastrophic failure of a rotor blade. Common forms of testing fibre composite parts like ultrasonic testing or X-ray tests are impractical due to the large dimensions of wind turbine components and their limited accessibility for any short-range methods. Active thermographic inspection of wind turbines is a promising approach to testing for structural flaws beneath the surface of rotor blades. As part of an ongoing research project, a setup for testing the general viability of this method was built and used to compare different thermographic cameras. A sample cut from a discarded rotor blade was modified to emulate structural damage. The results are promising for the development of a cost effective on-site testing system.

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Author:Jens Fey, Cedric Djahan, Thierry Arnaud Mpouma, Julienne Neh-Awah, Uwe Handmann
Parent Title (German):2017 Far East NDT New Technology & Application Forum (FENDT)
Document Type:Conference Proceeding
Year of Completion:2017
Contributing Corporation:IEEE
Release Date:2019/07/02
Page Number:5
First Page:138
Last Page:142
Institutes:Fachbereich 1 - Institut Informatik
DDC class:000 Allgemeines, Informatik, Informationswissenschaft / 000 Allgemeines, Wissenschaft
Licence (German):License LogoNo Creative Commons