A parametric study of skin laminates used in the composite layup of large-scale wind turbine blades

Khazar Hayat, Sung Ku Ha

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

To reach an optimal design solution for the composite layup of large-scale wind turbine blades, subjected to various design load conditions, while, fulfilling numerous design requirements, is a challenging task to accomplish. Since, a large-scale blade is a slender beam structure, therefore, its thin composite layup can be assumed to be under plane stress condition. Consequently, a parametric study of the skin laminates used in the blade composite layup, is conducted to explore and identify the possible design improvements. The results show that the use of off-axis fiber angles of the skin laminate lower than the conventional 45° are more favorable to achieve higher laminate stiffness, strength, bucking stability, fatigue resistance, and bend-twist coupling value, thereby, demonstrating the potential improvements to the existing composite layup design of large-scale wind turbine blade.

Original languageEnglish
Pages (from-to)195-208
Number of pages14
JournalAdvanced Composite Materials
Volume27
Issue number2
DOIs
StatePublished - 2018 Mar 4

Keywords

  • large-scale wind turbine blades
  • parametric study
  • skin laminates

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