Multi-Point Shape Optimization of a Horizontal Axis Tidal Stream Turbine

被引：2
|
作者：
el Sheshtawy, Hassan [1 ]
el Moctar, Ould [1 ]
Natarajan, Satish [1 ]
机构：
[1] Univ Duisburg Essen, Inst Ship Technol Ocean Engn & Transport Syst, Bismarckstr 69, D-47057 Duisburg, Germany
来源：
ENG | 2021年 / 2卷 / 03期
关键词：
hydrofoil optimization; NSGA-II; CFD; XFOIL; NACA; 63815; bezier curve; DESIGN OPTIMIZATION; HYDROFOIL;
D O I：
10.3390/eng2030022
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A method was developed to perform shape optimization of a tidal stream turbine hydrofoil using a multi-objective genetic algorithm. A bezier curve parameterized the reference hydrofoil profile NACA 63815. Shape optimization of this hydrofoil maximized its lift-to-drag ratio and minimized its pressure coefficient, thereby increasing the turbines power output power and improving its cavitation characteristics. The Elitist Non-dominated Sorting Genetic Algorithm (NSGA-II) was employed to perform the shape optimization. A comparative study of two- and three-dimensional optimizations was carried out. The effect of varying the angle of attack on the quality of optimized results was also studied. Predictions based on two-dimensional panel method results were also studied. Predictions based on a two-dimensional panel method and on a computational fluid dynamics code were compared to experimental measurements.
引用
收藏
页码：340 / 355
页数：16
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