Catherine Lester
Current Organizations / Institutes
The organizations/institutes from the scholar's latest article
Catherine Lester has a total of 10 co-authors. Here are the top co-authors by number of shared publications:
- Andreas Fischer
University of Bremen, Bremen Institute for Metrology, Automation and Quality Science (BIMAQ), Bremen, Germany
1 shared publication - Andreas Krenz
Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM, 28359 Bremen, Germany
1 shared publication - Axel S. Herrmann
Faculty of Production Engineering, University of Bremen, Bibliothekstraße 1, 28359 Bremen, Germany
1 shared publication - Bernd Mayer
Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM, 28359 Bremen, Germany
1 shared publication - Christian Tornow
Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM (Germany)
1 shared publication - Elie Abi Aoun
FIBRE—Faserinstitut Bremen e.V., University of Bremen, Am Biologischen Garten 2, 28359 Bremen, Germany
1 shared publication
Latest Publications
- Open Access
- 8 November 2022
- Published by MDPI AG in Applied Sciences
- Vol. 12 (22) , 11307
Investigation of the Causes of Premature Rain Erosion Evolution in Rotor Blade-like GFRP Structures by Means of CT, XRM, and Active Thermography
Premature rain erosion damage development at the leading edges of wind turbine rotor blades impair the efficiency of the turbines and should be detected as early as possible. To investigate the causes of premature erosion damage and the erosion evolution, test specimens similar to the leading edge of a rotor blade were modified with different initial defects, such as voids in the coating system, and impacted with waterdrops in a rain erosion test facility. Using CT and XRM with AI-based evaluation as non-destructive measurement methods showed that premature erosion arises from the initial material defects because they represent a weak point in the material composite. In addition, thermographic investigations were carried out. As it shows results similar to the two lab-based methods, active thermography has a promising potential for future in-situ monitoring of rotor blade leading edges.
- 8 November 2022
- Published by MDPI AG in Applied Sciences
- Vol. 12 (22) , 11307
Open AccessInvestigation of the Causes of Premature Rain Erosion Evolution in Rotor Blade-like GFRP Structures by Means of CT, XRM, and Active Thermography
Premature rain erosion damage development at the leading edges of wind turbine rotor blades impair the efficiency of the turbines and should be detected as early as possible. To investigate the causes of premature erosion damage and the erosion evolution, test specimens similar to the leading edge of a rotor blade were modified with different initial defects, such as voids in the coating system, and impacted with waterdrops in a rain erosion test facility. Using CT and XRM with AI-based evaluation as non-destructive measurement methods showed that premature erosion arises from the initial material defects because they represent a weak point in the material composite. In addition, thermographic investigations were carried out. As it shows results similar to the two lab-based methods, active thermography has a promising potential for future in-situ monitoring of rotor blade leading edges.