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Numerical and experimental investigations of water hammers in nuclear industry

type de publication      article dans une revue internationale avec comité de lecture
date de publication 2015
auteur(s) Messahel Ramzi; Cohen Bernard; Moatamedi Mojtaba; Boudlal Abdelaziz; Souli Mhamed; Aquelet Nicolas
journal (abréviation) International Journal of Multiphysics (International Journal of Multiphysics)
volume (numéro) 9 (1)
pages 21 – 36
résumé In nuclear and petroleum industries, supply pipes are often exposed to high pressure loading which can cause to the structure high strains, plasticity and even, in the worst scenario, failure. Fast Hydraulic Transient phenomena such as Water Hammers (WHs) are of this type. It generates a pressure wave that propagates in the pipe causing high stress. Such phenomena are of the order of few msecs and numerical simulation can offer a better understanding and an accurate evaluation of the dynamic complex phenomenon including fluid-structure interaction, multi-phase flow, cavitation ... For the last decades, the modeling of phase change taking into account the cavitation effects has been at the centre of many industrial applications (chemical engineering, mechanical engineering, ...) and has a direct impact on the industry as it might cause damages to the installation (pumps, propellers, control valves, ...). In this paper, numerical simulation using FSI algorithm and One-Fluid Cavitation models
mots clés Cavitation; Fluid structure interaction; Nuclear industry; Numerical models
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