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Study on the Dynamic Ice Load of Offshore Wind Turbines with Installed Ice-Breaking Cones in Cold Regions

Author

Listed:
  • Guojun Wang

    (Department of Mechanical Engineering, Dalian University of Technology, Dalian 116000, China)

  • Dayong Zhang

    (School of Ocean Science and Technology, Dalian University of Technology, Panjin 124000, China)

  • Qianjin Yue

    (School of Ocean Science and Technology, Dalian University of Technology, Panjin 124000, China)

  • Songsong Yu

    (Department of Mechanical Engineering, Dalian University of Technology, Dalian 116000, China)

Abstract

The dynamic ice load of conical offshore wind turbines (OWTs) in cold regions is unclear. The ice force period is the key parameter used to establish an ice force model for conical structures. To obtain ice load data, a field monitoring system was installed on an OWT in a cold region in China. Based on the monitoring data, a new formula for calculating the ice force period of conical structures was established. By comparing the period calculated with this formula and the measured ice force period, it was found that the calculated data generally agreed with the measured data. Then, a random dynamic ice force model for conical OWTs can be established. Based on this ice force model, the ice-induced vibration of an OWT was analyzed with the ANSYS finite element software. The results are in good agreement with the measured data obtained from the OWT in the time and frequency domains. Therefore, the random dynamic ice force model established in this paper can be used to evaluate the ice resistance performance of conical OWTs in cold regions.

Suggested Citation

  • Guojun Wang & Dayong Zhang & Qianjin Yue & Songsong Yu, 2022. "Study on the Dynamic Ice Load of Offshore Wind Turbines with Installed Ice-Breaking Cones in Cold Regions," Energies, MDPI, vol. 15(9), pages 1-20, May.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:9:p:3357-:d:808733
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