Airborne Wind Energy

Aero-structural dynamics of kites

Roland Schmehl

13 December 2024

CC BY 4.0

Outline

Kitepower

Learning objectives

  • Characterize aero-elastic phenomena of hard-wing kites
  • Characterize aero-structural phenomena of soft-wing kites
  • Describe and compare the modelling approaches for the dynamics of soft kites

Recap last lecture

In situ flow visualization

Kasper Masure, TU Delft / Vantage

Aero-elastic phenomena

  • Hard-wing kites are designed as elastic structures
  • Some design use bridle lines to decrease load concentrations
  • Typical phenomena are static deformations and dynamic phenomena

Hard-wing deformation

Wijnja et al. (2018)

Full aircraft deformation

Wijnja et al. (2018)

Scale model rear view

Wijnja et al. (2018)

Scale model side view

Wijnja et al. (2018)

References

Wijnja, J., Schmehl, R., De Breuker, R., Jensen, K., Vander Lind, D.: Aero-elastic analysis of a large airborne wind turbine. Journal of Guidance, Control and Dynamics. 41, 2374–2385 (2018). doi:10.2514/1.G001663

Questions?





kitepower.tudelft.nl

// reveal.js plugins