Modelling load and vibrations due to iced turbine operation

Simo Rissanen, Ville Lehtomäki, Jani Wennerkoski, Matthew Wadham-Gagnon, Klaus Sandel

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

Wind energy in icing and low-temperature climate has a huge growth potential, but rotor icing effects on turbine dynamics and lifetime are not well known and simulations with iced rotor are not required in current IEC 61400-1 turbine design standard. In this article, simulations with iced rotor are compared to measured mechanical loads. The dynamic behaviour of the wind turbine was simulated with FLEX5 aeroelastic code for Senvion MM92 2 MW wind turbine. Simulations with typical iced airfoil lift and drag coefficients, aerodynamic and mass imbalances for iced rotor were performed and compared to measured iced turbine loads. Resulting iced turbine simulation parameters can be used in defining new design load cases for cold climate turbines. The most representative simulation parameter combination was achieved with a symmetric aerodynamic penalty applied on all blades and an asymmetric rotor mass imbalance of 166 kg ice load on two blades and 83 kg ice load on one blade.
Original languageEnglish
Pages (from-to)293-303
JournalWind Engineering
Volume40
Issue number3
DOIs
Publication statusPublished - 2016
MoE publication typeA1 Journal article-refereed

Fingerprint

Turbines
Rotors
Wind turbines
Ice
Aerodynamics
Drag coefficient
Airfoils
Wind power
Turbomachine blades
Temperature

Keywords

  • Icing
  • Lifetime
  • Loads
  • Simulation
  • Vibrations
  • Wind turbine

Cite this

Rissanen, S., Lehtomäki, V., Wennerkoski, J., Wadham-Gagnon, M., & Sandel, K. (2016). Modelling load and vibrations due to iced turbine operation. Wind Engineering, 40(3), 293-303. https://doi.org/10.1177/0309524X16645484
Rissanen, Simo ; Lehtomäki, Ville ; Wennerkoski, Jani ; Wadham-Gagnon, Matthew ; Sandel, Klaus. / Modelling load and vibrations due to iced turbine operation. In: Wind Engineering. 2016 ; Vol. 40, No. 3. pp. 293-303.
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Rissanen, S, Lehtomäki, V, Wennerkoski, J, Wadham-Gagnon, M & Sandel, K 2016, 'Modelling load and vibrations due to iced turbine operation', Wind Engineering, vol. 40, no. 3, pp. 293-303. https://doi.org/10.1177/0309524X16645484

Modelling load and vibrations due to iced turbine operation. / Rissanen, Simo; Lehtomäki, Ville; Wennerkoski, Jani; Wadham-Gagnon, Matthew; Sandel, Klaus.

In: Wind Engineering, Vol. 40, No. 3, 2016, p. 293-303.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Lehtomäki, Ville

AU - Wennerkoski, Jani

AU - Wadham-Gagnon, Matthew

AU - Sandel, Klaus

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AB - Wind energy in icing and low-temperature climate has a huge growth potential, but rotor icing effects on turbine dynamics and lifetime are not well known and simulations with iced rotor are not required in current IEC 61400-1 turbine design standard. In this article, simulations with iced rotor are compared to measured mechanical loads. The dynamic behaviour of the wind turbine was simulated with FLEX5 aeroelastic code for Senvion MM92 2 MW wind turbine. Simulations with typical iced airfoil lift and drag coefficients, aerodynamic and mass imbalances for iced rotor were performed and compared to measured iced turbine loads. Resulting iced turbine simulation parameters can be used in defining new design load cases for cold climate turbines. The most representative simulation parameter combination was achieved with a symmetric aerodynamic penalty applied on all blades and an asymmetric rotor mass imbalance of 166 kg ice load on two blades and 83 kg ice load on one blade.

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Rissanen S, Lehtomäki V, Wennerkoski J, Wadham-Gagnon M, Sandel K. Modelling load and vibrations due to iced turbine operation. Wind Engineering. 2016;40(3):293-303. https://doi.org/10.1177/0309524X16645484