| 基于粗糙度敏感性研究的风力机专用翼型设计 |
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| 引用本文： | 陈进,张石强,王旭东,程江涛,陆群峰.基于粗糙度敏感性研究的风力机专用翼型设计[J].空气动力学学报,2011,29(2). |
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| 作者姓名： | 陈进 张石强 王旭东 程江涛 陆群峰 |
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| 作者单位： | 1. 重庆大学机械传动国家重点实验室,重庆,400030
2. 重庆工商大学机械工程学院,重庆,400067 |
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| 基金项目： | 国家自然科学基金资助项目(50775227); 重庆市自然科学基金重点资助项目(CSTC,2008BC3029) |
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| 摘 要： | 对几个具有代表性的风力机常用翼型的几何特性和气动特性进行分析研究,详细探讨了各种翼型的前缘粗糙度敏感特性情况。基于一种新的翼型几何形状表征形式,以设计攻角工况下光滑条件和粗糙条件下的升阻比加权值为目标,优化设计得到了一种相对厚度为24.7%的风力机专用新翼型。对新翼型在主要工作攻角范围的升力特性、阻力特性及升阻比特性进行了研究,并详细分析了新翼型在不同工况下的气动特性情况,研究结果表明:新翼型具有低前缘粗糙度敏感性和低湍流敏感性;在设计和非设计运行工况下都具有很好的气动性能;雷诺数的升高和三维旋转效应对风轮叶片新翼型的气动特性具有促进作用。
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| 关 键 词： | 风力机翼型 表面粗糙度 气动特性 三维旋转效应 形状函数 |
Dedicated wind turbine airfoil design based on the roughness sensitivity considerations |
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| CHEN Jin,ZHANG Shi-qiang,WANG Xu-dong,CHENG Jiang-tao,LU Qun-feng.Dedicated wind turbine airfoil design based on the roughness sensitivity considerations[J].Acta Aerodynamica Sinica,2011,29(2). |
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| Authors: | CHEN Jin ZHANG Shi-qiang WANG Xu-dong CHENG Jiang-tao LU Qun-feng |
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| Institution: | CHEN Jin1,ZHANG Shi-qiang1,WANG Xu-dong2,CHENG Jiang-tao1,LU Qun-feng1(1.State Key Laboratory of Mechanic Transmission,Chongqing University,Chongqing 400030,China,2.College of Mechanical Engineering,Chongqing Technology and Business University,Chongqing 400067,China) |
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| Abstract: | In this paper the geometric properties and aerodynamic performance for some typical wind turbine airfoils are reviewed and then the leading edge roughness effects for every airfoil are discussed in detail.Based on a new airfoil representing function,assigns the weighted value of lift-drag ratio on smooth and roughness working condition as the optimum objective function,a new wind turbine dedicated airfoil with the thickness of 24.7% has been designed.The lift,drag and lift-drag ratio performances have been ... |
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| Keywords: | wind turbine airfoil surface roughness aerodynamic performance three dimensional rotation effect shape function |
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