Vibration performance of contact system of labyrinth assembly

ZENG Liang; LI Lin

Chinese

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Vibration performance of contact system of labyrinth assembly

更新时间：2026-07-07

- Vibration performance of contact system of labyrinth assembly
- Vol. 21, Issue 5, (2006)
- 作者机构：
  
  北京航空航天大学能源与动力工程学院,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2006
- 稿件说明：
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ZENG Liang, LI Lin. Vibration performance of contact system of labyrinth assembly[J]. 2006, 21(5).
DOI：

ZENG Liang, LI Lin. Vibration performance of contact system of labyrinth assembly[J]. 2006, 21(5). DOI：

摘要

运用弹性力学理论研究了篦齿封严组件及其减振结构之间过盈装配压力和接触刚度的求解方法

在此基础上给出了具有接触接合面的封严环/阻尼片组合结构动力特性的分析方法

并且研究了阻尼片厚度、阻尼片周向分布数量、装配过盈量等参数对结构动力特性的影响规律。转动情况下封严环离心应力与阻尼片厚度近似成线性关系;阻尼片的周向分布数量影响封严环的固有频率和振型;阻尼片沿周向分布数量越多

应力分布越均匀

封严环的离心应力越小。

Abstract

The analysis of contact system vibration is complex due to its non-linearity and chaotic behaviors in the process.This paper formulates the equivalent linear model of labyrinth assembly by introducing local contact rigidity and using vibration mechanical theory.The vibration performance of contact system of some types of labyrinth assembly is simulated with variable damper size

circumferential numbers and size of interference fit by using FEM software.The simulation results confirmed the validity of the proposed simplified model and relevant theory analysis.

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