RESEARCH ON UNBALANCED RESPONSE OF ULTRA-HIGH SPEED CENTRIFUGAL IMPELLER ROTOR SYSTEM

ZHANG Yong

doi:10.16579/j.issn.1001.9669.2025.01.005

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RESEARCH ON UNBALANCED RESPONSE OF ULTRA-HIGH SPEED CENTRIFUGAL IMPELLER ROTOR SYSTEM

·Vibration·Noise·Monitoring·Diagnosis· | 更新时间：2025-01-23

- RESEARCH ON UNBALANCED RESPONSE OF ULTRA-HIGH SPEED CENTRIFUGAL IMPELLER ROTOR SYSTEM
- Journal of Mechanical Strength Vol. 47, Issue 1, Pages: 42-49(2025)
- 作者机构：
  
  1.西安交通大学机械工程学院，西安 710049
  2.湖南泛航智能装备有限公司，株洲 412002
- 作者简介：
  
  ZHANG Yong, E-mail: 877048989@qq.com
- 基金信息：
  
  Hunan Province Science and Technology Innovation Program(2020GK4059)
- DOI：10.16579/j.issn.1001.9669.2025.01.005
  CLC： TH113.1
- Published：15 January 2025，
  
  Received：14 June 2023，
  
  Revised：30 August 2023，
- 稿件说明：
移动端阅览
ZHANG YONG. RESEARCH ON UNBALANCED RESPONSE OF ULTRA-HIGH SPEED CENTRIFUGAL IMPELLER ROTOR SYSTEM. [J]. Journal of mechanical strength, 2025, 47(1): 42-49.
DOI：

ZHANG YONG. RESEARCH ON UNBALANCED RESPONSE OF ULTRA-HIGH SPEED CENTRIFUGAL IMPELLER ROTOR SYSTEM. [J]. Journal of mechanical strength, 2025, 47(1): 42-49. DOI： 10.16579/j.issn.1001.9669.2025.01.005.

摘要

为避免因不平衡激励引起的超高速离心叶轮转子系统振动响应大及跨临界时运动失稳，采用Ansys转子动力学响应分析模块，综合考虑滑动轴承的刚度与阻尼，对超高速离心叶轮转子系统进行不平衡激励响应分析，得出不同不平衡激励下超高速离心叶轮转子系统的动态响应。同时，采用DEWESoft振动测试系统对超高速离心叶轮转子系统的转频振动值跟踪记录，并与不平衡响应分析结果对比，得出超高速离心叶轮转子系统动平衡精度等级需优于G1级。该不平衡激励响应分析与控制方法得到了较好的试验验证，具有重要的工程应用意义。

Abstract

In order to avoid large vibration response and transcritical motion instability of ultra-high speed centrifugal impeller rotor system caused by unbalanced excitation

the unbalanced excitation response of ultra-high speed centrifugal impeller rotor system was analyzed by using Ansys rotor dynamics response analysis module and comprehensively considering the stiffness and damping of sliding bearing

the dynamic response of ultra-high speed centrifugal impeller rotor system under different unbalanced excitation was obtained.At the same time

DEWESoft vibration test system was used to track and record the rotating frequency vibration value of ultra-high speed centrifugal impeller rotor system

and compared with the unbalanced response analysis results

it was concluded that the dynamic balance accuracy level of the ultra-high speed centrifugal impeller rotor system should be better than G1 level. The unbalanced excitation response analysis and control method has been well verified by tests

which has important engineering application significance.

关键词

高速离心压缩机超高速转子系统不平衡激励动态响应跨临界

Keywords

High speed centrifugal compressorUltra-high speed rotor systemUnbalanced excitationDynamic responseTranscritical

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