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Structural Response From Pressure-Pulse Propagation in Non-Newtonian Slurries With a Void Fraction of Non-Condensable Gas

[+] Author Affiliations
Thomas C. Ligon, Kyle P. Schmitt

Dominion Engineering, Inc., Reston, VA

John C. Minichiello

Bechtel National, Inc, Richland, WA

Paper No. PVP2016-63620, pp. V005T05A022; 13 pages
doi:10.1115/PVP2016-63620
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

The Hanford Tank Waste Treatment and Immobilization Plant (WTP) will process waste slurries capable of both generating and retaining a dispersed non-condensable gas phase. Given sufficient time, the generated bubbles may coalesce to form pockets of flammable gas. An ignition of the gas pocket may result in a deflagration or detonation that may transmit a pressure pulse into the surrounding gas-liquid slurry. The transmitted pressure pulses will impose structural loads on the pipe and associated supports. This paper describes experiments that generated pressure pulses in a stainless steel pipe filled with a non-Newtonian simulant with various void fractions of non-condensable gas. The focus of this paper is on the measured pipe strains. The details of the propagation of the pressure pulses in the compressible media are described in a separate paper: PVP-2015-45970 [1]. The propagating pressure pulses produced both quasi-static and dynamic excitation of the pipe, and the differences in the nature of the response were determined to be related to the experimental methods used to generate and measure pressure pulses. Finite-element predictions qualitatively reproduced the pipe response characteristics from the experiments.

Copyright © 2016 by ASME
Topics: Pressure , Slurries , Porosity

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