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One-Dimensional Transient Flow in Pipelines Modelling and Simulation

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Numerical Results for Viscoelastic Pipelines

Author(s): Abdelaziz Ghodhbani*, Ezzeddine Haj Taïeb*, Mohsen Akrout* and Sami Elaoud *

Pp: 162-183 (22)

DOI: 10.2174/9789815123760123010010

* (Excluding Mailing and Handling)

Abstract

This chapter deals with the numerical results obtained from simulation of fluid transients in viscoelastic pipes. For the non-cavitating flow case, the simulation shows that the pressure fluctuations are rapidly attenuated, and the overall transient pressure wave is delayed in time due to the retarded deformation of the pipe-wall. In addition, the simulation of the cavitating flow gives reasonable results compared to experimental data.

Keywords: Circonferential strain; Creep-compliance; Experimental result; Viscoelastic pipelines.

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