Dynamic response characteristics of a floating wind turbine tower at low response frequency

Lars Johanning*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceedings published in a bookpeer-review

Abstract

This paper presents experimental and numerical hydrodynamic load and damping results on a surface piercing pivoted circular cylinder, representing a monopile of a floating Marine Renewable installation (Spar-Buoy concept). The resulting load and damping characteristics are applied to predict the response characteristic of the pile and compared with experimental results. The main consideration is given to the characteristic of the cylinder due to steep wave action in the pitching mode. The experiments were conducted in the wave tank at the University of Glasgow using a cylinder model with a diameter of D = 0.21m that was constructed at the Imperial College London, to provide a structural to wave frequency ratio of 2 and 3. The outcome from the investigation supports the importance of the dynamic response to the successful operation of a deep water wind turbine installation.

Original languageEnglish
Title of host publicationProceedings of the 28th International Conference on Ocean, Offshore and Arctic Engineering 2009, OMAE2009
Pages983-992
Number of pages10
EditionPART B
DOIs
Publication statusPublished - 2009
Event28th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2009 - Honolulu, HI, United States
Duration: 31 May 20095 Jun 2009

Publication series

NameProceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE
NumberPART B
Volume4

Conference

Conference28th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2009
Country/TerritoryUnited States
CityHonolulu, HI
Period31/05/095/06/09

ASJC Scopus subject areas

  • Ocean Engineering
  • Energy Engineering and Power Technology
  • Mechanical Engineering

Keywords

  • Floating wind structure
  • Hydrodynamic loading
  • Hydrodynamics damping
  • Response characteristic

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