Investigation of the Vibration Control by Frictional Constraints between Blade Shrouds-Theoretical Method

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

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Investigation of the Vibration Control by Frictional Constraints between Blade Shrouds-Theoretical Method

更新时间：2026-07-07

- Investigation of the Vibration Control by Frictional Constraints between Blade Shrouds-Theoretical Method
- 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-Theoretical Method[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-Theoretical Method[J]. 2006, 21(1). DOI：

摘要

提出了一套求解带凸肩结构叶片非线性响应的时频转换方法。该方法应用数值轨迹跟踪法计算凸肩复杂接触面内的非线性摩擦力

并将其与频域内的谐波平衡法、动柔度法相结合求解带凸肩结构叶片的非线性响应

方法能够考虑叶片高阶振型以及响应高次谐波的影响

为带凸肩叶片的设计及故障诊断奠定了理论基础。

Abstract

A new approach was developed to solve the nonlinear responses of the blades with shrouds.Transforming the calculation between frequency domain and time domain was necessary.The nonlinear friction forces were calculated between complicated friction interfaces of the shrouds by tracing the trajectory of the contact point.This numerical method was combined with the harmonic balance method and the dynamic compliance method to solve the nonlinear responses of the blades.The effects of blade high order vibration modes and the high harmonic components of the blade response were taken into account.This theoretical method can be applied to design and fault diagnosis of the blades with shrouds.

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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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