Study on Vibration Damping and Energy Dissipation Mechanism of Fan Pipelines Based on Particle Dampers with Built-in Grid

PENG Jiaofei; ZHAO Qianqian; ZHANG Wanfu; SHAO Wenshuai; LI Junhao; LI Chun

doi:10.19805/j.cnki.jcspe.2026.240786

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Study on Vibration Damping and Energy Dissipation Mechanism of Fan Pipelines Based on Particle Dampers with Built-in Grid

更新时间：2026-10-10

- Study on Vibration Damping and Energy Dissipation Mechanism of Fan Pipelines Based on Particle Dampers with Built-in Grid
- Chinese Journal of Power Engineering Vol. 46, Issue 4, Pages: 110-118(2026)
- 作者机构：
  
  1. 上海理工大学能源与动力工程学院,上海,200093
  2. 中国电建江西省电力建设有限公司,江苏,南京,210019
  3. 上海市动力工程多相流动与传热重点实验室,上海,200093
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2026.240786
  CLC： TK229.2
- Published：2026
- 稿件说明：
移动端阅览
彭佼飞, 赵乾乾, 张万福, 邵文帅, 李君豪, 李春. 基于内置栅格颗粒阻尼器的风机管道减振耗能机理研究[J]. 动力工程学报, 2026, 46(4): 110-118.
彭佼飞, 赵乾乾, 张万福, 邵文帅, 李君豪, 李春. 基于内置栅格颗粒阻尼器的风机管道减振耗能机理研究[J]. 动力工程学报, 2026, 46(4): 110-118. DOI： 10.19805/j.cnki.jcspe.2026.240786.

DOI： 10.19805/j.cnki.jcspe.2026.240786

摘要

针对风机管道振动问题

开展了基于内置栅格颗粒阻尼器的振动控制方法研究

采用离散元软件与多体动力学软件联合仿真

建立了颗粒耗能模型

可视化分析了内置栅格对颗粒运动与能量损耗的影响

并搭建管道振动实验平台

分别探究了不同激励下阻尼器数量和栅格尺寸对管道振动控制的影响。结果表明:内置栅格阻尼器对各振动峰值有较好的减振效果

明显优于无栅格颗粒阻尼器

阻尼器数量为2时减振效果最好

栅格数为8时阻尼器对管道振动控制效果最高可达78%

优于其他2种尺寸栅格。内置栅格在较高激励下可有效提升阻尼器的阻尼性能

为颗粒阻尼器的改进提供了新思路。

Abstract

A vibration control method based on built-in grid particle dampers was studied to address the vibration issue in draught fan pipelines. A coupled simulation using discrete element method and multibody dynamics software was employed to establish a particle energy dissipation model. The impact of the built-in grid on particle motion and energy dissipation was visualized and analyzed. Additionally

a pipeline vibration experimental platform was constructed to investigate the effect of damper quantity and grid size on pipeline vibration control under different excitation conditions. The results indicate that the built-in grid damper exhibits a superior vibration reduction effect on various vibration peaks

significantly outperforming particle dampers without grid. The optimal vibration reduction effect is achieved with two dampers

and when the grid count is 8

the damper can achieve a maximum vibration control effect of 78% on the pipeline

surpassing the other two grid sizes. The built-in grid effectively enhances the damping performance of the damper under high excitation

providing a new approach for the improvement of particle dampers.

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references

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