Effect of Various Duct Shapes and Blade Sections on the Efficiency Performance of Horizontal Axis Tidal Current Turbine

被引：0
|
作者：
Gandomani, Mahdi Azimi [1 ]
Ghassemi, Hassan [1 ,2 ]
He, Guanghua [2 ]
机构：
[1] Amirkabir Univ Technol AUT, Dept Maritime Engn, Marine & Hydrokinet Energy Grp, Tehran, Iran
[2] Harbin Inst Technol HIT, Int Sch Ocean Sci & Engn, Weihai, Peoples R China
来源：
POLISH MARITIME RESEARCH | 2024年 / 31卷 / 04期
关键词：
Horizontal axis tidal current turbine (HATCT); Duct shapes; Blade sections; Hydrodynamic performance; Power coefficient;
D O I：
10.2478/pomr-2024-0050
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：
This research emphasizes the importance of optimal design for tidal turbines under various ducts and blade sections to enhance efficiency. A Reynolds-Averaged Navier-Stokes (RANS) solver with turbulence model is used to investigate the performance of horizontal-axis tidal current turbines (HATCT) under different ducts and blade sections. Analyses were conducted using various meshes and, in several stages, to ensure the accuracy of the results. Six types of different blades sections and winglets are selected and the numerical results of thrust, torque and power coefficients are compared. demonstrating the accepTable accuracy of this analytical method. It is indicated that the effect of the winglet caused to increase the power coefficient. The numerical results were compared and validated with experimental data and found in good agreement. Finally, the effect of the different duct shapes with turbine type 1 at TSR = 5 is obtained with significant results of the power coefficient.
引用
收藏
页码：59 / 68
页数：10
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