垂直轴风力机翼型气动优化设计 |
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引用本文: | 梁昌平,席德科,张森,陈宝峰,王向前,郭青陇.垂直轴风力机翼型气动优化设计[J].航空计算技术,2016(5):17-20. |
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作者姓名: | 梁昌平 席德科 张森 陈宝峰 王向前 郭青陇 |
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作者单位: | 1. 西北工业大学航空学院,陕西西安,710072;2. 山西焦煤安瑞电气风机有限公司,山西运城,044402 |
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摘 要: | 对小型垂直轴风力机常用的NACA0015翼型进行优化设计,使其具有更优的气动性能。在优化过程中,利用CST参数化方法对翼型的几何外形进行扰动,选取翼型的厚度及弯度作为约束,翼型切向力系数作为目标函数,以基于非支配排序的遗传算法(NSGA-II)作为优化方法,最后建立优化流程,优化过程中利用XFOIL程序结合Viterna-Corrigan失速后模型计算优化前后翼型的气动性能。结果表明,与NACA0015翼型相比,优化后的翼型气动性能有了较大提升,最大升力系数提高了6.63%,最大升阻比提高了27.5%,最大切向力系数提高了22.7%。
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关 键 词: | 垂直轴风力机 CST参数化方法 NSGA-II算法 翼型 优化 |
Optimization Design on Aifr oil of Vertical Axis Wind Turbine |
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Abstract: | Optimizing the NACA0015 airfoil which is widely applied in small-scale vertical axis wind tur-bine to make it have a better aerodynamic performance .In the optimization process ,using CST parameter-ization to perturb the airfoil geometry , the thickness and camber of the airfoil are selected as the con-straint ,and the value of the tangential force coefficient is chosen as the objective function ,the genetic al-gorithm based on non-dominated sorting ( NSGA-II) is selected as an optimization method , and the op-timizing process is established lastly ,calculates the aerodynamic performance of the airfoil by applying the approach of combining XFOIL program and Viterna-Corrigan post-stall mode .The result illustrates that , compared with the NACA0015 airfoil, the aerodynamic performance of the optimized airfoil has been greatly improved,the maximum lift coefficient,the maximum lift-drag ratio and the maximum tangential force coefficient are increased by 6 .63%,27 .5%and 22 .7%,respectively . |
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Keywords: | vertical axis wind turbine CST parameterization NSGA-II airfoil optimazation |
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