PSE Community.org

LAPSE:2023.8766

Effect of Heave Plates on the Wave Motion of a Flexible Multicolumn FOWT

Taisuke Takata, Mayuko Takaoka, Hidetaka Houtani, Kentaro Hara, Sho Oh, Edgard B. Malta, Kazuhiro Iijima, Hideyuki Suzuki, Rodolfo T. Gonçalves

February 24, 2023

Abstract
Three models with different footing types were used to clarify the effect of heave plates on the hydrodynamic behavior of the elastic response of a flexible multicolumn floating offshore wind turbine (FOWT). The models were tested under regular waves, whose added mass, damping, and motion response results were compared with numerical simulations by NK-UTWind and WAMIT codes. As a whole, the attachment of heave plates was responsible for increasing the added mass and damping levels, consequently modifying the RAO of the models. Regarding the response in a sea condition, a decrease of 33% and 66% of the significant motion height (heave and pitch) was observed. Thus, the heave plate can be a good feature for the future design of FOWT.

Record ID

LAPSE:2023.8766

Keywords

elastic characteristics, floating offshore wind turbine (FOWT), heave plate, wave tests

Subject

Energy Systems

Suggested Citation

Takata T, Takaoka M, Houtani H, Hara K, Oh S, Malta EB, Iijima K, Suzuki H, Gonçalves RT. Effect of Heave Plates on the Wave Motion of a Flexible Multicolumn FOWT. (2023). LAPSE:2023.8766

Author Affiliations

Takata T: OSPL—Ocean Space Planning Laboratory, Department of Systems Innovation, The University of Tokyo, Tokyo 113-8657, Japan
Takaoka M: OSPL—Ocean Space Planning Laboratory, Department of Systems Innovation, The University of Tokyo, Tokyo 113-8657, Japan
Houtani H: OSPL—Ocean Space Planning Laboratory, Department of Systems Innovation, The University of Tokyo, Tokyo 113-8657, Japan [ORCID]
Hara K: Ship Structure Integrity Subarea, Department of Naval Architecture and Ocean Engineering, Osaka University, Osaka 565-0871, Japan
Oh S: ClassNK—Nippon Kaiji Kyokai, Tokyo 102-8567, Japan
Malta EB: Technomar Engenharia Oceânica, São Paulo 05419-905, Brazil
Iijima K: Ship Structure Integrity Subarea, Department of Naval Architecture and Ocean Engineering, Osaka University, Osaka 565-0871, Japan [ORCID]
Suzuki H: OSPL—Ocean Space Planning Laboratory, Department of Systems Innovation, The University of Tokyo, Tokyo 113-8657, Japan
Gonçalves RT: OSPL—Ocean Space Planning Laboratory, Department of Systems Innovation, The University of Tokyo, Tokyo 113-8657, Japan [ORCID]

Journal Name

Energies

Volume

Issue

First Page

7605

Year

2022

Publication Date

2022-10-14

DOI:

https://doi.org/10.3390/en15207605