SADD - Severe accident database directory

DataBase Containment - Focus area 1: Combustible gases transport (1)

Facility Name	Test Identification	Measured Parameters	Modelling	Simulation Code	Experimental Research Program	Country
MISTRA	INITIALA and INITIALS	Pressure, temperature, local He concentration	Governing equations: Navier-Stokes equations, and scalar transport equation for the helium mass fraction Turbulence model: k-epsilon including buoyancy effects	CFX	OECD/NEA SETH-2 Project	France
References: [1] NEA (2012), OECD/SETH-2 Project PANDA and MISTRA Experiments Final Summary Report: Investigation of Key Issues for the Simulation of Thermal-hydraulic Conditions in Water Reactor Containment, OECD Publishing, Paris [2] J. R. Hoyes, M. J. Ivings. CFD modelling of hydrogen stratification in enclosures: Model validation and application to PAR performance. Nuclear Engineering and Design, 310, 142–153 (2016). https://doi.org/10.1016/j.nucengdes.2016.08.036 IP/Copyright Situation: CEA

Containment atmosphere mixing/He/Air/Steam Containment mixing by diffusion