Characterization of aerodynamic performance of ducted wind turbines: A numerical study

被引：20
|
作者：
Dighe, Vinit V. [1 ]
de Oliveira, Gael [1 ]
Avallone, Francesco [1 ]
van Bussel, Gerard J. W. [1 ]
机构：
[1] Delft Univ Technol, Wind Energy Res Grp, Delft, Netherlands
来源：
WIND ENERGY | 2019年 / 22卷 / 12期
关键词：
CFD; ducted wind turbines; optimization; panel method; RANS; DESIGN;
D O I：
10.1002/we.2388
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：
The complex aerodynamic interactions between the rotor and the duct has to be accounted for the design of ducted wind turbines (DWTs). A numerical study to investigate the characteristics of flow around the DWT using a simplified duct-actuator disc (AD) model is carried out. Inviscid and viscous flow calculations are performed to understand the effects of the duct shape and variable AD loadings on the aerodynamic performance coefficients. The analysis shows that the overall aerodynamic performance of the DWT can be increased by increasing the duct cross-sectional camber. Finally, flow fields using viscous calculations are examined to interpret the effects of inner duct wall flow separation on the overall DWT performance.
引用
收藏
页码：1655 / 1666
页数：12
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