Constructal design applied to geometrical analysis of a triangular arrangement of H-Darrieus wind turbines

被引：0

作者：

Martins, Kaue Louro ^{[1
]}

da Silva, Rafael Bruno ^{[2
]}

Silvestre, George Maximiano ^{[2
]}

Pinto, Vinicius Torres ^{[1
]}

dos Santos, Elizaldo Domingues ^{[1
]}

Isoldi, Liercio Andre ^{[1
]}

Oliveira Rocha, Luiz Alberto ^{[3
]}

机构：

[1] Fed Univ Rio Grande FURG, Grad Program Ocean Engn PPGEO, Italia Ave Km 8, BR-96203900 Rio Grande, Brazil

[2] Fed Univ Rio Grande FURG, Italia Ave Km 8, BR-96203900 Rio Grande, Brazil

[3] Univ Vale Sinos UNISINOS, Dr Nilo Pecanha Ave 1600, BR-91330002 Porto Alegre, RS, Brazil

来源：

INTERNATIONAL JOURNAL OF HYDROMECHATRONICS | 2020年 / 3卷 / 02期

关键词：

H-Darrieus turbines; constructal design; numerical simulation; wind turbines arrangement;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The work performs a numerical study of a triangular arrangement of three H-Darrieus wind turbines. There are two constraints: areas of turbines and occupation areas of turbines, and two degrees of freedom: ratio between transversal pitch (ST) of downstream rotors and diameter (D) of turbine and, ratio between longitudinal pitch (SL) of upstream and downstream rotors and diameter of turbine. The purposes are to maximize the power coefficient (Cm) and evaluate the effect of arrangement design on the performance. Three ST/D and eight SL/D are considered. Results showed that ST/D = 2.0 presents a higher interaction between the fluid dynamic boundary layer of the rotors, which implies in an oscillating variation in C-m with variation of the ratio SL/D. The effect of SL/D over C-m have other behaviour for the other ratios of ST/D analysed, variating the optimal ratio for each case, showing that optimal SL/D is dependent of ST/D.

引用

下载

页码：155 / 166

页数：12

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