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考虑四极子声源的高速磁浮列车气动噪声数值模拟方法

刘加利 于梦阁 陈大伟 杨志刚

刘加利, 于梦阁, 陈大伟, 杨志刚. 考虑四极子声源的高速磁浮列车气动噪声数值模拟方法[J]. 西南交通大学学报, 2024, 59(1): 54-61. doi: 10.3969/j.issn.0258-2724.20220151
引用本文: 刘加利, 于梦阁, 陈大伟, 杨志刚. 考虑四极子声源的高速磁浮列车气动噪声数值模拟方法[J]. 西南交通大学学报, 2024, 59(1): 54-61. doi: 10.3969/j.issn.0258-2724.20220151
LIU Jiali, YU Mengge, CHEN Dawei, YANG Zhigang. Numerical Simulation Method of Aerodynamic Noise of High-Speed Maglev Train Considering Quadrupole Noise Source[J]. Journal of Southwest Jiaotong University, 2024, 59(1): 54-61. doi: 10.3969/j.issn.0258-2724.20220151
Citation: LIU Jiali, YU Mengge, CHEN Dawei, YANG Zhigang. Numerical Simulation Method of Aerodynamic Noise of High-Speed Maglev Train Considering Quadrupole Noise Source[J]. Journal of Southwest Jiaotong University, 2024, 59(1): 54-61. doi: 10.3969/j.issn.0258-2724.20220151

考虑四极子声源的高速磁浮列车气动噪声数值模拟方法

doi: 10.3969/j.issn.0258-2724.20220151
基金项目: 国家自然科学基金(51705267);山东省重点研发计划(重大科技创新工程)(2020CXGC010202);山东省自然科学基金(ZR2022ME180)
详细信息
    作者简介:

    刘加利(1985—),男,教授级高级工程师,博士,研究方向为列车空气动力学,E-mail:liujiali0612@163.com

    通讯作者:

    于梦阁(1985—),女,副教授,博士,研究方向为列车空气动力学,E-mail:yumengge0627@163.com

  • 中图分类号: U270.1

Numerical Simulation Method of Aerodynamic Noise of High-Speed Maglev Train Considering Quadrupole Noise Source

  • 摘要:

    随着列车速度的提高,四极子声源对列车气动噪声的贡献增大,高速磁浮列车的运行速度达到600 km/h时,有必要考虑四极子声源对高速磁浮列车气动噪声的影响. 为此,本文建立考虑四极子声源的高速磁浮列车气动噪声数值模拟方法,对高速磁浮列车流线型尾部、头部区域的积分面进行局部外推,探索流线型尾部、头部区域的四极子声源对高速磁浮列车气动噪声的影响. 研究发现:高速磁浮列车的尾涡会穿过下游的积分面,流线型尾部区域不能采用全封闭积分面,否则会产生非常大的伪声;流线型尾部区域的积分面需要较多地向尾涡区延伸,并去除尾涡穿过的区域;高速磁浮列车流线型头部区域四极子声源的贡献很小,流线型头部区域的积分面可以取为流线型头型表面;在600 km/h下,高速磁浮列车四极子声源引起的气动噪声能量占比达到42%.

     

  • 图 1  计算区域

    Figure 1.  Computational domain

    图 2  计算网格

    Figure 2.  Computational mesh

    图 3  流线型尾部外推积分面(单位:m)

    Figure 3.  Extrapolated integral surface for streamlined tail (unit: m)

    图 4  流线型头部外推积分面(单位:m)

    Figure 4.  Extrapolated integral surface for streamlined head (unit: m)

    图 5  瞬态涡量分布

    Figure 5.  Transient vorticity distribution

    图 6  流线型尾部不同积分面x1下的气动噪声

    Figure 6.  Aerodynamic noise for different integral surface x1 of streamlined tail

    图 7  流线型尾部不同积分面x2下的气动噪声

    Figure 7.  Aerodynamic noise for different integral surface x2 of streamlined tail

    图 8  流线型尾部积分面方案(灰色表面)

    Figure 8.  Integral surface scheme of streamlined tail (grey surface)

    图 9  流线型头部积分面选取(灰色表面)

    Figure 9.  Selection of integral surface for streamlined head (grey surface)

    图 10  流线型头部不同积分面下的气动噪声

    Figure 10.  Aerodynamic noise for different integral surfaces of streamlined head

    表  1  流线型尾部积分面选取

    Table  1.   Selection of integral surface for streamlined tail

    方案积分面(灰色为选择的积分面)方案积分面(灰色为选择的积分面)
    x1x2x1x2
    16
    27
    38
    49
    510
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出版历程
  • 收稿日期:  2022-03-01
  • 修回日期:  2022-06-17
  • 网络出版日期:  2023-09-19
  • 刊出日期:  2022-07-06

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