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Water Hammer Event on Aboveground Section of Oil Piping During Hydro Test

[+] Author Affiliations
Igor Orynyak, Anatolii Batura, Iaroslav Dubyk

“IPP-CENTRE” LTD, Kiev, Ukraine

Paper No. PVP2016-63826, pp. V005T05A024; 6 pages
doi:10.1115/PVP2016-63826
From:
  • ASME 2016 Pressure Vessels and Piping Conference
  • Volume 5: High-Pressure Technology; Rudy Scavuzzo Student Paper Symposium and 24th Annual Student Paper Competition; ASME Nondestructive Evaluation, Diagnosis and Prognosis Division (NDPD); Electric Power Research Institute (EPRI) Creep Fatigue Workshop
  • Vancouver, British Columbia, Canada, July 17–21, 2016
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-5041-1
  • Copyright © 2016 by ASME

abstract

In this article we have analyzed a water hammer event that occurred during the hydrostatic test of an oil pipeline. As a result of a significant dynamic loading event the piping was thrown off of its supports. We have performed dynamic calculations in the frequency domain with two models. The first model is a 2-DOF mass-spring model, used to perform an engineering assessment of the pipeline. The second model is a complex piping model of the aboveground section, which matches the real pipeline geometry and physical properties as well as possible. The Duhamel integral was used to calculate the transient response of the pipeline to the local water hammer impulse loading. The analysis results were used to estimate the pipeline displacement, and to develop certain practical recommendations to prevent such damage in the future.

Copyright © 2016 by ASME
Topics: Water hammer , Pipes

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