Model test of the DTI-Floating wind concept

J. Serret, T. Tezdogan, T. Stratford, P. R. Thies, V. Venugopal

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Abstract

This study aims to de-risk the development of the Deep Turbine Installation-Floating (DTI-F) concept, a hybrid spar buoy-based floating offshore wind turbine with the novelty of being able to raise up and lower down the tower plus nacelle set. The paper presents the design and construction of a Froude-scaled model based on the DTI-F concept, the experimental testing configurations and conditions, and the instrumentation used to measure motions and loads. The test campaign included free decay and stiffness decay tests, along with regular and irregular wave testing. In addition to the hydrodynamic characterisation, the resonance properties of the system with different mooring configurations, i.e. three and four lines, and three lines with a delta connection, were investigated. We present the Response Amplitude Operators (RAOs) in all 6 degrees of freedom for two different mooring configurations. This work is the first step towards the calibration and performance improvement for existing numerical models of the DTI-F concept.
Original languageEnglish
Number of pages11
Publication statusPublished - 29 Aug 2018
Event3rd International Conference on Offshore Renewable Energy - Glasgow, United Kingdom
Duration: 29 Aug 201830 Aug 2018
Conference number: 3
http://www.offshore-renewables.co.uk/

Conference

Conference3rd International Conference on Offshore Renewable Energy
Abbreviated title CORE 2018
CountryUnited Kingdom
CityGlasgow
Period29/08/1830/08/18
Internet address

Keywords

  • wind turbine
  • offshore
  • Froude

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    Serret, J., Tezdogan, T., Stratford, T., Thies, P. R., & Venugopal, V. (2018). Model test of the DTI-Floating wind concept. Paper presented at 3rd International Conference on Offshore Renewable Energy, Glasgow, United Kingdom.