Modeling and validation of a tuned liquid multi-column damper stabilized floating offshore wind turbine coupled system

被引：13

作者：

Yu, Wei ^{[1
]}

Lemmer, Frank ^{[2
]}

Cheng, Po Wen ^{[1
]}

机构：

[1] Univ Stuttgart, Allmandring 5B, D-70569 Stuttgart, Baden Wurttembe, Germany

[2] Sowento GmbH, Hessenlauweg 14, D-70569 Stuttgart, Baden Wurttembe, Germany

来源：

OCEAN ENGINEERING | 2023年 / 280卷

基金：

欧盟地平线“2020”;

关键词：

Floating offshore wind turbine; Structural control; Tuned liquid column damper; Anti-roll tank; Numerical modeling; Experimental validation; MATHIEU INSTABILITY; TANKS;

D O I：

10.1016/j.oceaneng.2023.114442

中图分类号：

U6 [水路运输]; P75 [海洋工程];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

Reducing the motion and loads through structural control has been studied and commercialized for decades. For floating offshore wind turbines (FOWTs), tuned liquid multi-column dampers (TLMCDs) are proposed due to their geometric flexibility and bi-directional damping effect. One of the barriers to the application of such a concept is the lack of a sophisticated numerical tool capable of reproducing the coupled dynamics. This work demonstrates a numerical model for TLMCD stabilized FOWT systems and its simulation capability. A Lagrangian mechanics based method is used for the TLMCD and is coupled into the aero-hydro-servo-elastic numerical models for FOWTs. A simplified and linearized formulation is derived for TLMCDs with uniform cross-sectional-area, which can be integrated into different codes of FOWTs. Two campaigns of model tests are performed to evaluate the capability of the model. The first campaign considers only the stand-alone TLMCD, while in the second campaign, the TLMCD is installed in a scaled 10 MW FOWT and tested in a wave tank. Different load cases are tested, simulated and compared. The comparison between simulation and experiment shows the promising functionality of the TLMCD model. The coupled model is well capable of reproducing the dynamic behavior of the coupled system.

引用

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