Hydrodynamic response of alternative floating substructures for spar-type offshore wind turbines

被引：7
|
作者：
Wang, Baowei [1 ]
SajadRahmdel [1 ]
Han, Changwan [1 ]
Jung, Seungbin [1 ]
Park, Seonghun [1 ]
机构：
[1] Pusan Natl Univ, Sch Mech Engn, Pusan, South Korea
来源：
WIND AND STRUCTURES | 2014年 / 18卷 / 03期
基金：
新加坡国家研究基金会;
关键词：
floating offshore wind turbines (FOWT); classic spar platform; truss spar platform; frequency domain; hydrostatic analysis; hydrodynamic analysis; finite element method;
D O I：
10.12989/was.2014.18.3.267
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Hydrodynamic analyses of classic and truss spar platforms for floating offshore wind turbines (FOWTs) were performed in the frequency domain, by considering coupling effects of the structure and its mooring system. Based on the Morison equation and Diffraction theory, different wave loads over various frequency ranges and underlying hydrodynamic equations were calculated. Then, Response Amplitude Operators (RAOs) of 6 DOF motions were obtained through the coupled hydrodynamic frequency domain analysis of classic and truss spar-type FOWTs. Truss spar platform had better heave motion performance and less weight than classic spar, while the hydrostatic stability did not show much difference between the two spar platforms.
引用
收藏
页码：267 / 279
页数：13
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