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An Attempt to Scale the Vibrations of Water Pipes

[+] Author Affiliations
P. Moussou

LaMSID UMR CNRS EDF, Clamart Cedex, France

Paper No. PVP2005-71217, pp. 401-409; 9 pages
  • ASME 2005 Pressure Vessels and Piping Conference
  • Volume 4: Fluid Structure Interaction
  • Denver, Colorado, USA, July 17–21, 2005
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4189-8 | eISBN: 0-7918-3763-7
  • Copyright © 2005 by ASME


The goal of the paper is to provide an estimation of the vibrations of a water pipe subjected to standard turbulent excitations. Firstly, a simplified expression of the acoustic pressure generated by a standard valve or orifice is proposed. It is based on the hydraulic pressure drop and a Strouhal number. Secondly, a theoretical analysis of Fluid-Structure Interaction yields a screening expression of the structure velocity Power Spectral Density (PSD), as a function of the acoustic pressure source. Field data are used for validation. It is shown that cavitation-induced vibration can be directly identified by plotting the structure velocity PSD in non-dimensional form.

Copyright © 2005 by ASME



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