低噪声风力机翼型设计方法及实验分析

汪泉; 陈进; 程江涛; 王君; 孙金风; 游颖

doi:10.13700/j.bh.1001-5965.2014.0072

低噪声风力机翼型设计方法及实验分析

doi: 10.13700/j.bh.1001-5965.2014.0072

汪泉^1, ,,
陈进²,
程江涛^2,3,
王君¹,
孙金风¹,
游颖¹

1.
湖北工业大学机械工程学院, 武汉 430068
2. 重庆大学机械工程学院, 重庆 400030
3. 丹麦技术大学机械工程学院, 灵比 DK-2800

基金项目: 国家自然科学基金资助项目(51405140);国家863计划资助项目(2012AA051301);湖北工业大学博士科研启动金资助项目(BSQD13016)

详细信息

通讯作者:
汪泉(1984-),男,湖北武汉人,讲师, quan_wang2003@163.com,主要研究方向为机械系统优化设计及可再生能源装备设计理论与方法.

中图分类号: TK83;TH12
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出版历程
- 收稿日期: 2014-02-24
- 网络出版日期: 2015-01-20

Wind turbine airfoil design method with low noise and experimental analysis

1.
School of Mechanical Engineering, Hubei University of Technology, Wuhan 430068, China
2. College of Mechanical Engineering, Chongqing University, Chongqing 400030, China
3. Department of Mechanical Engineering, Technical University of Demark, Lyngby DK-2800, Denmark

摘要

摘要: 为了研究风力机翼型的噪声特性,基于翼型泛函集成理论与翼型噪声计算模型,建立了低噪声翼型优化设计数学模型,提出在设计攻角情况下升阻比与噪声比值最大为目标函数,对优化后的新翼型CQU-DTU-B18翼型与NACA-64-618翼型在相同的风洞实验及风速条件下进行了噪声对比分析.研究表明,理论噪声计算模型虽然与实验数据有一定的偏差,但是翼型的升压级随频率的变化趋势是一致的,表明了翼型噪声计算模型的准确性;相比NACA-64-618翼型,CQU-DTU-B18翼型具有更低的噪声特性,从而验证了该设计方法的可行性.对于如何设计低噪声翼型及怎样降低翼型噪声具有重要的指导作用.
- 风力机翼型 /
- 噪声 /
- 风洞实验 /
- 声压级 /
- 频率
Abstract: In order to study the noise characteristic of wind turbine airfoils, the airfoil optimal design mathematic model was built based on airfoil functional integrated theory and noise calculated model. The new optimized objective function of maximizing lift/drag to noise was developed on the design angle of attack. Then, the comparison of sound pressure level between CQU-DTU-B18 and NACA-64-618 airfoil was analyzed under the same condition of wind tunnel experiment and wind speed. It is indicated that the changed trend of the predicted noise results are in agreement with that of the tested data, though there is a certain difference between the theory results and experiment data. Compared with NACA-64-618 airfoil, the CQU-DTU-B18 airfoil exhibits lower noise, which validates the feasibility of this design method. It is a guide to design wind turbine airfoil with lower noise and to reduce airfoil noise.
- wind turbine airfoil /
- noise /
- wind tunnel test /
- sound pressure level /
- frequency

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参考文献(15)

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