Articles | Volume 3, issue 2
Wind Energ. Sci., 3, 639–650, 2018
https://doi.org/10.5194/wes-3-639-2018
Wind Energ. Sci., 3, 639–650, 2018
https://doi.org/10.5194/wes-3-639-2018

Research article 13 Sep 2018

Research article | 13 Sep 2018

Remote surface damage detection on rotor blades of operating wind turbines by means of infrared thermography

Dominik Traphan et al.

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Cited articles

Bak, C., Gaunaa, M., Olsen, A. S., and Kruse, E. K.: What is the critical height of leading edge roughness for aerodynamics?, J. Phys. Conf. Ser., 753, 022023, https://doi.org/10.1088/1742-6596/753/2/022023, 2016.
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Ciang, C. C., Lee, J.-R., and Bang, H.-J.: Structural health monitoring for a wind turbine system: a review of damage detection methods, Meas. Sci. Technol., 19, 122001, https://doi.org/10.1088/0957-0233/19/12/122001, 2008.
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Dollinger, C., Balaresque, N., Sorg, M., and Fischer, A.: IR thermographic visualization of flow separation in applications with low thermal contrast, Infrared Phys. Techn., 88, 254–264, 2018a.
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Short summary
Wind turbines are exposed to harsh weather, leading to surface defects on rotor blades emerging from the first day of operation. Defects grow quickly and affect the performance of wind turbines. Thus, there is demand for an easily applicable remote-inspection method that is sensitive to small surface defects. In this work we show that infrared thermography can meet these requirements by visualizing differences in the surface temperature of the rotor blades downstream of surface defects.