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Description of the VOF based pressure algorithm and application to XT-ADS like spallation target

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dc.contributor.author Moreau, Vincent
dc.date.accessioned 2014-02-25T09:56:50Z
dc.date.available 2014-02-25T09:56:50Z
dc.date.issued 2012-02
dc.identifier.uri http://hdl.handle.net/11050/652
dc.description.abstract The simulation of Heavy Liquid Metal Vacuum complex interfaces with Starccm+ from CD-Adapco using the Volume of Fluid (VOF) framework requires specifi c care. In a first part, we describe how we managed to deal with the high density ratio and the interface smearing in the context of three different windowless spallation targets. The interface smearing is controlled with a non-conservative condensation term. The second part is dedicated to the individuation of the relevant physical process leading to the interface sharpening and its inclusion in the set of constitutive equations. The methodology used has been to re-derive the VOF equations for momentum and phase transport from the constitutive phase equations. Two candidates for sharpening are individuated: baro-diffusion and surface tension effects. Only baro-diffusion is however likely to have the required strength in the foreseen applications. IT
dc.language.iso en IT
dc.subject CFD IT
dc.subject VOF IT
dc.subject two-phase IT
dc.subject baro-diffusion IT
dc.subject surface tension IT
dc.subject THINS IT
dc.title Description of the VOF based pressure algorithm and application to XT-ADS like spallation target IT
dc.type Report IT
dc.subject.een-cordis EEN CORDIS::FISICA E SCIENZE ESATTE::Matematica, statistica::Modellazione matematica IT
dc.subject.een-cordis EEN CORDIS::ENERGIA::Fissione nucleare / fusione nucleare::Fissione nucleare / fusione nucleare IT
dc.subject.progetti Progetti::Bando competitivo/Grant::Finanziamento europeo/internazionale::EC FP7, FP6, FP5::THINS - Thermal hydraulics of innovative nuclear system IT
dc.subject.program Program::Energy and Environment::Process Engineering and Combustion (PEC) IT

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