Design and performance enhancement of a bi-directional counter-rotating type horizontal axis tidal turbine

被引：26

作者：

Huang, B. ^{[1
]}

Zhu, G. J. ^{[2
]}

Kanemoto, T. ^{[3
]}

机构：

[1] Zhejiang Univ, Ocean Coll, Zhoushan 316021, Peoples R China

[2] Xian Univ Technol, Inst Water Resources & Hydroelect Engn, Xian 710048, Peoples R China

[3] Kyushu Inst Technol, Fac Engn, Kitakyushu, Fukuoka 8048550, Japan

来源：

OCEAN ENGINEERING | 2016年 / 128卷

基金：

中国国家自然科学基金;

关键词：

Bi-directional; Counter-rotating; Tidal turbine; Genetic optimization; HYDRODYNAMIC PERFORMANCE; ENERGY-RESOURCES; OPTIMIZATION; SERIES;

D O I：

10.1016/j.oceaneng.2016.10.012

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：

A bi-directional counter-rotating type horizontal axis tidal turbine (HATT) consisting of fully symmetrical hydrofoils was designed to convert tidal energy in terms of ebb and flood tides. In CFD simulations, the counter rotating rotors perform much more excellent power coefficient than single rotor. However, as the limit of application of fully symmetrical hydrofoils with low lift-drag ratio, the performance of bi-directional HATTs is much lower than traditional HATTs. In this work, multi-objective optimization method was employed to obtain a series of fully symmetrical hydrofoils applied to different sections from blade root to tip. The numerical results show that the application of optimized hydrofoils brings about considerable increment in power efficient (a relative increase 8% at BEP) and flow separation around hydrofoil.

引用

页码：116 / 123

页数：8

共 23 条

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