Containment atmosphere mixing/He/Air/Steam Stratification mixing by natural convection flow

Facility NameTest IdentificationMeasured ParametersModellingSimulation CodeExperimental Research ProgramCountry
MISTRANATHCOPressure, temperature, local He concentrationGoverning equations: U-RANS, total energy equation, transport equation for helium mass fraction. Turbulence model: k–omega SST model including buoyancy effects. Radiative heat transfer: Monte Carlo, 200.000 photon historiesCFX OpenFOAMOECD/NEA SETH-2 ProjectFrance




Implemented as part of the Seaknot EU funded project (HORIZON-EURATOM-2021-NRT-01 under Grant Agreement No. 101060327) - WP2.6 UNIPI (2024-2026)