Coating stress analysis for leading edge protection systems for wind turbine blades

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Offshore wind energy has high potential to generate clean energy. Wind turbine sizes are increasing and reaching above 200 m in diameter. The high velocity blade tips interact with rain droplets which cause erosion damage over time. To mitigate erosion damage, protective materials are applied to the leading edge. In order to effectively design these protection systems, the stress state in the layered material system has to be understood. The current work discusses a numerical model to predict the stress field in a co-bonded hybrid thermoplastic/thermoset layered composite system. It studies the influence of layer thickness, interphase thickness, droplet diameter and LEP material properties on the stress state in the hybrid composite coating system. It was found that the design of the system significantly influences the dynamic stress state in the layered system and as a result, the performance of these systems as protection layers for wind turbine blades gets diminished.
Original languageEnglish
Title of host publicationProceedings of the 20th European Conference on Composite Materials - Composites Meet Sustainability
EditorsAnastasios P. Vassilopoulos, Véronique Michaud
PublisherEcole Polytechnique Fédérale de Lausanne
Volume5 – Applications and Structures
ISBN (Print)978-2-9701614-0-0
Publication statusPublished - 2022
Event20th European Conference on Composite Materials, ECCM 2022: Composites meet Sustainability - Lausanne, Switzerland
Duration: 26 Jun 202230 Jun 2022
Conference number: 20


Conference20th European Conference on Composite Materials, ECCM 2022
Abbreviated titleECCM


  • Wind energy
  • Leading edge protection
  • Numerical modeling
  • Coating stress


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