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On Piping Vibration and Practical Measures for Preventing Vibration-Related Damage

[+] Author Affiliations
Lennart G. Jansson, Lingfu Zeng, Alexander Börjesson

ÅF-Industry AB, Göteborg, Sweden

Paper No. PVP2016-63544, pp. V003T03A021; 9 pages
doi:10.1115/PVP2016-63544
From:
  • ASME 2016 Pressure Vessels and Piping Conference
  • Volume 3: Design and Analysis
  • Vancouver, British Columbia, Canada, July 17–21, 2016
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-5039-8
  • Copyright © 2016 by ASME

abstract

This paper continues our recent discussion on piping vibration and vibration-related damage. Two key issues are addressed in both analytical and experimental aspects: (1) vibration properties and their identification; (2) damage mechanisms caused by vibration and their prevention. Practical approaches for identifying vibration properties and practical measures for preventing vibration damages are overviewed. An empirical approach, which estimates a “vibration susceptibility” parameter prior to installation of a piping system, and for planning post-installation vibration recording activities, is described and studied numerically and experimentally. This approach is based on “theoretic predictions” of “critical” sections of a piping system, namely the sections most sensitive to vibration. It utilizes thereafter an option in a commercial piping program, which serves as a screening tool for determining “potentially-large” alternating stresses. Combined with knowledge of typical vibration sources, this is a cost effective way for preventing vibration damages and for forming a base for controlling actual vibrations in operation of plant, especially for closed premises. Examples are given to exemplify vibration risk.

Copyright © 2016 by ASME
Topics: Pipes , Vibration , Damage

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