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ARTICLE
Modeling and simulation of PE100 pipe response under transient events caused by pump failure
1
Research Laboratory “Applied Fluid Mechanics, Process Engineering and Environment” National Engineering School of Sfax, Sfax
Submission date: 2019-01-31
Acceptance date: 2019-06-14
Online publication date: 2019-10-15
Publication date: 2019-10-15
Journal of Theoretical and Applied Mechanics 2019;57(4):1039-1054
KEYWORDS
ABSTRACT
In this work, the response of a PE100 pipe under transient events following pump failure
is numerically investigated. The developed numerical model was based on the generalized
Kelvin-Voigt model and the Vitkovsky et al. formulation. The method of characteristics
(MOC) was used for numerical discretization. The relevance of an unsteady friction term
in the pressure wave damping was analyzed. Pressure and circumferential stress responses
indicated high rates in the pressure waves damping for the PE100 pipe. Through a parametric
study, it was shown that the HDPE pipe may serve in damping and dispersing pressure waves
without the need for additional protection devices.
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