Experimental study on floating offshore platform in combined wind/wave/current environment

Wen Yang Hsu, Ray Yeng Yang, Fang Nan Chang, Hua Tung Wu, Hsin Hung Chen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The development of offshore wind power in Taiwan is moving toward to the next step: to establish the demonstration wind farm before 2016. The aim of this study is to investigate the dynamic motion of the floating platform (semi-submersible type) in a wind-wave-current flume using a 1:50 scale model. The thrust force on the wind turbine was simulated by a solid disk with a diameter of 0.66m at present stage. Compared to the prototype, the elaborate scale model has only 2% error in geometric dimension, total weights and gravity position. The natural frequency and damping coefficient of floating offshore wind turbine (FOWT) was obtained from the free decay test. Different wave directions, wave environments, drafts, wind intensities, current speeds and combined wind/wave/current were applied to study the instability of FOWT and operating conditions. The six-degree-of freedom (DOF), accelerations and drift forces were measured to compare with model result and improve the existing design.

Original languageEnglish
Title of host publicationProceedings of the 25th International Ocean and Polar Engineering Conference, ISOPE 2015
PublisherInternational Society of Offshore and Polar Engineers
Pages653-658
Number of pages6
ISBN (Electronic)9781880653890
Publication statusPublished - 2015 Jan 1
Event25th International Ocean and Polar Engineering Conference, ISOPE 2015 - Kona, Big Island, United States
Duration: 2015 Jun 212015 Jun 26

Publication series

NameProceedings of the International Offshore and Polar Engineering Conference
Volume2015-January
ISSN (Print)1098-6189
ISSN (Electronic)1555-1792

Other

Other25th International Ocean and Polar Engineering Conference, ISOPE 2015
CountryUnited States
CityKona, Big Island
Period15-06-2115-06-26

All Science Journal Classification (ASJC) codes

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

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