{"id":14365,"date":"2022-10-11T10:42:45","date_gmt":"2022-10-11T08:42:45","guid":{"rendered":"https:\/\/fondation-grenoble-inp.fr\/?post_type=projet&#038;p=14365"},"modified":"2022-10-11T10:51:38","modified_gmt":"2022-10-11T08:51:38","slug":"simulation-numerique-entrainement-air","status":"publish","type":"projet","link":"https:\/\/fondation-grenoble-inp.fr\/en\/projet\/simulation-numerique-entrainement-air\/","title":{"rendered":"Numerical simulation of air training"},"content":{"rendered":"<p><strong>Research focus : <\/strong>Entrainement d\u2019air<\/p>\n\n\n\n<p><strong>Project leader : <\/strong>Julien CHAUCHAT<\/p>\n\n\n\n<p><strong>Organizations associated with the project : <a href=\"https:\/\/www.arteliagroup.com\/fr\" target=\"_blank\" rel=\"noreferrer noopener\">ARTELIA<\/a><\/strong><\/p>\n\n\n\n<p><strong>The project:<\/strong><br>L\u2019objectif de ce projet est d\u2019am\u00e9liorer la mod\u00e9lisation num\u00e9rique des \u00e9coulements turbulents des m\u00e9langes d\u2019air et d\u2019eau autour des \u00e9nergies renouvelables dont l\u2019hydro\u00e9lectricit\u00e9. Ces \u00e9coulements se retrouvent par exemple dans la dissipation des nappes d\u00e9versantes sur les d\u00e9versoirs de crues, lors de l\u2019entrainement d\u2019air dans les prises d\u2019eau en rivi\u00e8re ou dans les chambres d\u2019aspiration de pompe. Il s\u2019agit d\u2019\u00e9coulement multiphasique dispers\u00e9, dont les approches de mod\u00e9lisation se diff\u00e9rencient selon les tailles, les formes et les densit\u00e9s des bulles qui peuvent varier dans l\u2019espace et dans le temps, mais \u00e9galement sous l\u2019effet du changement de phase comme lors du ph\u00e9nom\u00e8ne de cavitation.<\/p>\n\n\n\n<p><strong>Project objective :<\/strong><br>D\u00e9veloppement d\u2019un mod\u00e8le num\u00e9rique diphasique pour la simulation de l\u2019entrainement d\u2019air<\/p>\n\n\n\n<p><strong>Expected result:<\/strong><br>Dans un premier temps, nous nous attacherons \u00e0 reproduire des configurations id\u00e9alis\u00e9es pour lesquelles des donn\u00e9es exp\u00e9rimentales existent, comme l\u2019entra\u00eenement d\u2019air dans un ressaut hydraulique (Murzyn et al., 2005) et un jet impactant une surface libre (Guyot et al., 2019). Ces configurations sont en lien direct avec les applications industrielles d\u2019int\u00e9r\u00eat pour la soci\u00e9t\u00e9 Artelia. Concr\u00e8tement, nous chercherons \u00e0 \u00e9tablir un ou des mod\u00e8les num\u00e9riques capables de reproduire la dynamique des bulles et leurs effets \u00e0 l\u2019\u00e9chelle du syst\u00e8me en commen\u00e7ant par des simulations \u00e0 haute-r\u00e9solution puis en effectuant un processus de remont\u00e9e d\u2019\u00e9chelle afin de rendre raisonnable la simulation des applications industrielles.<\/p>\n\n\n\n<p><strong>Planification :<\/strong> Du 01\/01\/2022 au 01\/09\/2023<\/p>","protected":false},"excerpt":{"rendered":"<p>L\u2019objectif de ce projet est d\u2019am\u00e9liorer la mod\u00e9lisation num\u00e9rique des \u00e9coulements turbulents des m\u00e9langes d\u2019air et d\u2019eau autour des \u00e9nergies renouvelables dont l\u2019hydro\u00e9lectricit\u00e9<\/p>","protected":false},"featured_media":14368,"template":"","acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Simulation num\u00e9rique de l\u2019entra\u00eenement d\u2019air - 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