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波浪结构对圆柱-翼型湍流干涉噪声的影响研究

王大庆 冯和英 彭叶辉 仝帆

王大庆,冯和英,彭叶辉, 等. 波浪结构对圆柱-翼型湍流干涉噪声的影响研究[J]. 机械科学与技术,2023,42(2):321-328 doi: 10.13433/j.cnki.1003-8728.20200584
引用本文: 王大庆,冯和英,彭叶辉, 等. 波浪结构对圆柱-翼型湍流干涉噪声的影响研究[J]. 机械科学与技术,2023,42(2):321-328 doi: 10.13433/j.cnki.1003-8728.20200584
WANG Daqing, FENG Heying, PENG Yehui, TONG Fan. Research on Influence of Wave Structure on Turbulence Interference Noise of Cylinder-airfoil[J]. Mechanical Science and Technology for Aerospace Engineering, 2023, 42(2): 321-328. doi: 10.13433/j.cnki.1003-8728.20200584
Citation: WANG Daqing, FENG Heying, PENG Yehui, TONG Fan. Research on Influence of Wave Structure on Turbulence Interference Noise of Cylinder-airfoil[J]. Mechanical Science and Technology for Aerospace Engineering, 2023, 42(2): 321-328. doi: 10.13433/j.cnki.1003-8728.20200584

波浪结构对圆柱-翼型湍流干涉噪声的影响研究

doi: 10.13433/j.cnki.1003-8728.20200584
基金项目: 国家自然科学基金项目(51875194)、湖南省自然科学基金项目(2020JJ4306)及湖南省教育厅优秀青年基金项目(20B226)
详细信息
    作者简介:

    王大庆(1996−),硕士研究生,研究方向为叶轮机械气动噪声控制,1970529345@qq.com

    通讯作者:

    冯和英,副教授,博士生导师,博士,fengheying@hnust.edu.cn

  • 中图分类号: V211.3

Research on Influence of Wave Structure on Turbulence Interference Noise of Cylinder-airfoil

  • 摘要: 为探究波浪翼型的降噪效果,采用大涡模拟(LES)和边界元法(BEM)相结合的混合方法对3种不同波浪翼型进行模拟,并通过试验验证了仿真模型的可行性,进一步分析了3种不同波浪翼型(表面波浪Wavy airfoil-A、前缘波浪Wavy airfoil-B和前缘+表面波浪Wavy airfoil-C)对圆柱-翼型湍流干涉噪声的影响。研究结果表明:3种模型都能在一定程度上降低翼型湍流干涉噪声,其中Wavy airfoil-C模型降噪效果最好,降噪频率范围最广,其垂直流向方向总声压级降噪量可达6.7 dB;Wavy airfoil-C模型不仅能有效地降低翼型表面压力脉动、各截面上的湍流强度、升阻力系数波动、功率谱密度,还能利用其前缘波浪结构有效地减少前缘主声源区域的面积,且能利用其表面波浪结构的导流作用降低翼型后缘的声源振动幅值。
  • 图  1  远场声辐射示意图

    图  2  物理模型及其展向形状示意图

    图  3  流体域参数设置示意图

    图  4  圆柱-翼型周围计算域网格

    图  5  网格无关性验证

    图  6  B平面上的速度分布(x/c = −0.25)

    图  7  瞬时的涡量云图及Q-准则等值面

    图  8  翼型升阻力系数时间历程

    图  9  翼型升力系数和阻力系数功率谱密度随频谱的变化

    图  10  叶片吸力面压力脉动均方根值$P_{\rm{RMSE}}^{\prime}$云图分布

    图  11  流向方向上不同截面位置处的流向湍流强度(Turbulent Intensity_x$\sqrt {{u^{\prime 2}}} /{U_0}$)分布

    图  12  远场监测点及指向性设置示意图

    图  13  N点处的声压级仿真结果与实验结果

    图  14  远场辐射噪声声压级云图分布

    图  15  检测点N声压级频谱分布

    图  16  总声压级指向性分布

    表  1  N点总声压级

    模型90°
    Straiight 76.400 101.700
    Wavy airfoil-A 75.130 99.500
    Wavy airfoil-B 74.510 95.870
    Wavy airfoil-C 74.005 95.200
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-03-05
  • 刊出日期:  2023-02-25

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