Optimal design and performance analysis of a hybrid system combing a floating wind platform and wave energy converters

被引：160

作者：

Hu, Jianjian ^{[1
]}

Zhou, Binzhen ^{[1
,2
,3
]}

Vogel, Christopher ^{[2
]}

Liu, Pin ^{[1
]}

Willden, Richard ^{[2
]}

Sun, Ke ^{[1
]}

Zang, Jun ^{[4
]}

Geng, Jing ^{[1
]}

Jin, Peng ^{[1
]}

Cui, Lin ^{[5
]}

Jiang, Bo ^{[5
]}

Collu, Maurizio ^{[6
]}

机构：

[1] Harbin Engn Univ, Coll Shipbldg Engn, Harbin 150001, Peoples R China

[2] Univ Oxford, Dept Engn Sci, Oxford OX1 3PJ, England

[3] Ocean Univ China, Shandong Prov Key Lab Ocean Engn, Qingdao 266100, Peoples R China

[4] Univ Bath, Dept Architecture & Civil Engn, Bath BA2 7AY, Avon, England

[5] Natl Ocean Technol Ctr, Tianjin 300112, Peoples R China

[6] Univ Strathclyde, Naval Architecture Marine & Ocean Engn, Glasgow G4 0LZ, Lanark, Scotland

来源：

APPLIED ENERGY | 2020年 / 269卷

基金：

英国工程与自然科学研究理事会; 英国自然环境研究理事会;

关键词：

Floating platform; Wave energy converter; Hybrid system; Wave power; Hydrodynamic performance; Viscous; POWER; ABSORPTION;

D O I：

10.1016/j.apenergy.2020.114998

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Combined floating offshore wind platform and Wave Energy Converters (WECs) systems have the potential to provide a cost-effective solution to offshore power supply and platform protection. The objective of this paper is to optimize the size and layout of WECs within the hybrid system under a given sea state with a numerical study. The numerical model was developed based on potential flow theory with viscous correction in frequency domain to investigate the hydrodynamic performance of a hybrid system consisting of a floating platform and multiple heaving WECs. A non-dimensional method was presented to determine a series of variables, including radius, draft, and layout of the cylindrical WEC at a typical wave frequency as the initial design. WECs with larger diameter to draft ratio were found to experience relatively smaller viscous effects, and achieve more wave power, larger effective frequency range and similar wave power per unit weight compared with those with the smaller diameter to draft ratio in the same sea state. The addition of WECs reduced the maximum horizontal force and pitch moment on the platform, whereas the maximum vertical force increased due to the increasing power take-off force, especially at low frequencies. The results presented in this paper provide guidance for the optimized design of WECs and indicate the potential for synergies between wave and wind energy utilization on floating platforms.

引用

页数：16

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