Performance analysis and offshore applications of the diffuser augmented tidal turbines

被引：32

作者：

Liu, Weixing ^{[1
]}

Liu, Lei ^{[1
]}

Wu, Haitao ^{[2
]}

Chen, Yulong ^{[1
]}

Zheng, Xiongbo ^{[3
]}

Li, Ningyu ^{[4
]}

Zhang, Zhiyang ^{[1
]}

机构：

[1] Jiangsu Ocean Univ, Sch Ocean Engn, Lianyungang 222005, Peoples R China

[2] Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, Shanghai, Peoples R China

[3] Harbin Engn Univ, Sch Math Sci, Harbin, Peoples R China

[4] Harbin Engn Univ, Coll Shipbldg Engn, Harbin, Peoples R China

来源：

SHIPS AND OFFSHORE STRUCTURES | 2023年 / 18卷 / 01期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Tidal energy; horizontal axis turbine; diffuser; numerical simulation; energy efficiency; DESIGN; PREDICTION;

D O I：

10.1080/17445302.2022.2027691

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：

Diffuser-augmented tidal turbines (DATTs) are determined and regarded as efficient in converting tidal energy. In this paper, which is stipulated by a large group of researchers, the highly established module performance of a diffuser turbine is numerically studied by the Computational Fluid Dynamics (CFD). Numerical analysis shows that the pressure distributions near the blade tip gradually change for a DATT than a non-diffuser augmented tidal turbine (NDATT), which indicates that the diffuser can effectively reduce the loss of blade tip. The practical assessment through anticipated and assured procedure in the application of this turbine was conducted offshore at Daishan Island and observed to have slightly higher energy efficiency than the experimental model.

引用

页码：68 / 77

页数：10

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