Investigation of the Vibration Control by Frictional Constraints Between Blade Shrouds-Rule Analysis

SHAN Ying-chun; ZHU Zi-gen; LIU Xian-dong

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Investigation of the Vibration Control by Frictional Constraints Between Blade Shrouds-Rule Analysis

更新时间：2026-07-07

- Investigation of the Vibration Control by Frictional Constraints Between Blade Shrouds-Rule Analysis
- Vol. 21, Issue 1, (2006)
- 作者机构：
  
  1. 北京航空航天大学汽车工程系,北京,100083
  2. 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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SHAN Ying-chun, ZHU Zi-gen, LIU Xian-dong. Investigation of the Vibration Control by Frictional Constraints Between Blade Shrouds-Rule Analysis[J]. 2006, 21(1).
DOI：

SHAN Ying-chun, ZHU Zi-gen, LIU Xian-dong. Investigation of the Vibration Control by Frictional Constraints Between Blade Shrouds-Rule Analysis[J]. 2006, 21(1). DOI：

摘要

针对带凸肩的平板叶片

对凸肩阻尼结构的减振规律进行了系统的研究。获得了凸肩接触面初始正压力、接触角度、接触刚度、摩擦系数等多种参数对叶片非线性响应的影响规律。此外

研究了某航空发动机带凸肩风扇叶片的振动响应

分析了凸肩结构对其一阶弯曲振型及某高阶振型的减振效果

确定了该叶片发生疲劳断裂的原因。本文工作对带凸肩结构叶片的设计、排故具有指导意义。

Abstract

The performance of shroud damper was investigated systematically by researching the nonlinear responses of plate blades with shrouds.The influences of many contact parameters such as initial normal force

contact angle

contact stiffness and coefficient of friction were obtained.Furthermore the vibration responses of an aero-engine fan blade were investigated.The effects of shroud on the first bending mode and a higher mode of the fan blade were analyzed

and the reason of blade fracture due to fatigue was determined.The results can be used to the design and the fault diagnosis of blades with shrouds.

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Related Author

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HONG Jie

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Related Institution

Aviation Safety Technology Research Institute, Center of Aviation Safety Technology, Civil Avivation Administration of China

School of Transportation Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 1000191

北京航空航天大学能源与动力工程学院

北京航空航天大学能源与动力工程学院航空发动机结构强度北京市重点实验室

先进航空发动机协同创新中心

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