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轮体结构颗粒阻尼器设计方法

刘彬 王延荣 田爱梅 唐伟 冯欢欢

刘彬, 王延荣, 田爱梅, 唐伟, 冯欢欢. 轮体结构颗粒阻尼器设计方法[J]. 航空动力学报, 2014, (10): 2476-2485. doi: 10.13224/j.cnki.jasp.2014.10.027
引用本文: 刘彬, 王延荣, 田爱梅, 唐伟, 冯欢欢. 轮体结构颗粒阻尼器设计方法[J]. 航空动力学报, 2014, (10): 2476-2485. doi: 10.13224/j.cnki.jasp.2014.10.027
LIU Bin, WANG Yan-rong, TIAN Ai-mei, TANG Wei, FENG Huan-huan. Design methodology for particle dampers applied to a wheel structure[J]. Journal of Aerospace Power, 2014, (10): 2476-2485. doi: 10.13224/j.cnki.jasp.2014.10.027
Citation: LIU Bin, WANG Yan-rong, TIAN Ai-mei, TANG Wei, FENG Huan-huan. Design methodology for particle dampers applied to a wheel structure[J]. Journal of Aerospace Power, 2014, (10): 2476-2485. doi: 10.13224/j.cnki.jasp.2014.10.027

轮体结构颗粒阻尼器设计方法

doi: 10.13224/j.cnki.jasp.2014.10.027
基金项目: 

国家自然科学基金(51475022)

详细信息
    作者简介:

    刘彬(1986- ),男,山西太原人,博士生,主要从事航空发动机结构强度,振动及可靠性研究.

  • 中图分类号: V231.92

Design methodology for particle dampers applied to a wheel structure

  • 摘要: 利用离散元法及正交设计方法,对典型轮体结构发生伞形振动时的二维等效振动模型进行了空腔尺寸及颗粒填充方案的数值设计,并结合振动试验结果给出了轮体结构颗粒阻尼器的设计流程及设计准则.研究表明:①建立的二维等效振动模型在能够反映轮体结构伞形振动基本特征的同时,也可以较为准确地模拟内部颗粒运动对结构产生的影响;②颗粒阻尼对轮体结构的振动有明显的改善作用,但填充不同材质的颗粒,其减振效果会有较为明显的区别;③空腔的尺寸及颗粒的质量率对颗粒阻尼的影响显著,应首先保证的是较高的颗粒质量率;④由于碰撞间隙的作用,对于固定规格的空腔和颗粒,存在最佳颗粒体积填充率使得颗粒阻尼的减振效果最佳.由试验与数值模拟的最佳方案的一致性可知,发展的设计方法可以较为准确地给出轮体结构颗粒阻尼器的最优空腔尺寸及其对应的最佳填充方法,可用于轮体结构伞形振动减振方案的前期设计.

     

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出版历程
  • 收稿日期:  2013-07-04
  • 刊出日期:  2014-10-28

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