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Simulation des grandes échelles d'un aspirateur de centrale hydraulique
Cédric Duprat, Guillaume Balarac, Olivier Métais, Thomas Laverne
Journal:

Mechanics & Industry / Volume 10 / Issue 3-4 / May 2009

Published online by Cambridge University Press:

05 August 2009, pp. 211-215

Print publication:

May 2009
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La technique de simulation des grandes échelles (SGE) est utilisée pour simuler l'écoulement dans un aspirateur de centrale hydraulique à différents points de fonctionnement. La complexité de la géométrie et le haut nombre de Reynolds de l'écoulement nécessitent l'utilisation de méthodes spécifiques. Ainsi, nous avons développé un traitement à la paroi tenant compte à la fois du frottement pariétal mais aussi du gradient de pression. La technique utilisée pour permettre de générer des conditions d'entrée instationnaires réalistes, à partir de données expérimentales, est également détaillée. Les différents régimes d'écoulements résultant de cette configuration sont alors présentés.