ANALYSIS OF PIPELINE VIBRATION IN POWER PLANTS AND PREVENTIVE MEASURES THEREOF

KANG Yujun; AN Fuli; WEI Dawei; WANG Junmin; DONG Lei; WANG Bining; WU Xiaojun; JIANG JianhuiXi'an Thermal Power Research Institute Co Ltd

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ANALYSIS OF PIPELINE VIBRATION IN POWER PLANTS AND PREVENTIVE MEASURES THEREOF

Thermal Power Generation Vol. 40, Issue 6, Pages: 93-96(2011)

更新时间：2025-09-28

- ANALYSIS OF PIPELINE VIBRATION IN POWER PLANTS AND PREVENTIVE MEASURES THEREOF
- 作者机构：
  
  西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL353.11
- Published：2011
- 稿件说明：
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KANG Yujun, AN Fuli, WEI Dawei, et al. ANALYSIS OF PIPELINE VIBRATION IN POWER PLANTS AND PREVENTIVE MEASURES THEREOF[J]. Thermal Power Generation, 2011, 40(6): 93-96.
DOI：

KANG Yujun, AN Fuli, WEI Dawei, et al. ANALYSIS OF PIPELINE VIBRATION IN POWER PLANTS AND PREVENTIVE MEASURES THEREOF[J]. Thermal Power Generation, 2011, 40(6): 93-96. DOI：

摘要

通过对某核电站常规岛中压给水管道的振动治理过程

研究振动频谱与模态计算结果之间的相互关系

依此制定振动治理方案

并对减振效果进行了评价。结合激励频响曲线

分析总结出电站管道振动治理方法:在管道适当位置设置减振装置

可使管道某阶固有频率和振型消失

以及其固有频率和振型提高到n+1阶

管道某阶主振动响应将消失。

Abstract

Through preventive process of vibration occurred on medium pressure feed-water pipeline on conventional island in one nuclear power plant

the mutual relationship between the frequency spectrum of vibration and the result of modal calculation has been studied

a preventive scheme of vibration being worked out according to this

and the effectiveness of vibration reduction being evaluated.Combined with the response curve of excited frequency

a vibration-preventing principle for pipelines in power plants has been analysed and sammarized out as in the following:on suitable locations on the pipeline

vibration-preventing device has to be installed

making the natural frequency and oscillation mode at one stage of the pipeline to be eliminated

or making th natural frequency and the oscillation mode to be enhanced to n+1 stage

the main vibration response at one stage of the pipeline will disappear.

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