Optimum positioning of friction support for vibration reduction in piping system

Jaeseok Heo; Yong Hoon Jang; Seunghun Baek

doi:10.7776/ASK.2022.41.6.680

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2022 Vol.41, Issue 6 Preview Page Next Page

Research Article

Optimum positioning of friction support for vibration reduction in piping system 배관 진동저감 마찰 지지대 최적 위치 선정

30 November 2022. pp. 680-690

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Abstract

Vibrations in the pipe system trigger fatigue-related issues and lead to fatal other problems caused by pipe damage. There are numerous studies to analyze and reduce the cause of pipe vibration, among which a small number of studies are being conducted on pipe vibration reduction using friction supports. The study of friction supports, however, focused only on predicting and evaluating the performance of the friction supports and seldomly considered the design perspective of the install location of the supports. Therefore, this study intends to suggest the optimization process for finding the best installation region of friction support to attenuate the vibration of entire piping system. The optimal position of the friction support is predicted only by linear analysis to guarantee optimization efficiency in the design process. The designed friction support location is verified by time domain analysis.

Keywords

Vibration isolation

Pipe vibration

Friction analysis

Location optimization

일반적으로 배관에서 발생하는 진동은 배관을 파손시키는 문제를 넘어 배관 파손으로 유발되는 다른 위험한 문제의 원인이 된다. 배관 진동의 원인 분석과 이를 줄이기 위한 수많은 연구들이 존재하는데, 그 중 마찰 지지대를 이용한 배관 진동저감에 대한 연구가 소수 진행되고 있다. 하지만 마찰 지지대에 관한 연구들은 마찰 지지대 성능 예측과 평가에만 집중하였고, 지지대 설치 위치에 따라 달라지는 마찰 지지대의 효과는 고려하지 않았다. 따라서, 본 연구에서는 마찰 지지대의 설치 위치에 따른 배관 진동 저감 효과를 입증하고 전체 시스템의 진동을 줄이기 위한 마찰 지지대 위치 선정 방법을 제시한다. 설계단계에서 최적화 방법을 효과적으로 적용하기 위해 선형 해석으로만 마찰 지지대의 최적 위치를 예측하고, 설계된 마찰 지지대를 시간 영역 해석을 통해 방법론의 타당성을 입증하였다. 또한, 배관 시스템에서 마찰 지지대의 우수한 진동 저감 효과를 정량적으로 해석하여, 지지대 설치 위치를 예측하는 방법의 효용성을 증명하였다.

키워드

진동저감

배관진동

마찰해석

위치 최적화

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Information

Publisher :The Acoustical Society of Korea
Publisher(Ko) :한국음향학회
Journal Title :The Journal of the Acoustical Society of Korea
Journal Title(Ko) :한국음향학회지
Volume : 41
No :6
Pages :680-690
Received Date : 2022-09-23
Revised Date : 2022-10-25
Accepted Date : 2022-11-23
DOI :https://doi.org/10.7776/ASK.2022.41.6.680

The Journal of the Acoustical Society of KoreaISSN:1225-4428(Print) 2287-3775(Online)한국음향학회

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