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
PANDA	Test 1-25	Fluid and wall temperatures, absolute and differential pressures, flow rates, heater power, gas concentrations and flow velocities	Turbulence model: k-epsilon, k-k1-omega, transitional SST. It includes buoyancy effects.	FLUENT GASFLOW GOTHIC CFX	OECD/SETH Project	Switzerland
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] S. Guo, J. Cai, H. Zhang, H. Yin, & X. Yang. Study of the distribution of steam plumes in the PANDA facility using CFD code. Nuclear Engineering and Design, 289, 81–91 (2015). https://doi.org/10.1016/j.nucengdes.2015.04.016 [3] D. Paladino, R. Kapulla, S. Paranjape, S. Suter, C. Hug, M.-S. Chae, & M. Andreani. PANDA experimental database and further needs for containment analyses. Nuclear Engineering and Design, 404, 112173 (2023). https://doi.org/10.1016/j.nucengdes.2023.11217 [4] M. Andreani, D. Paladino, T. George. Simulation of basic gas mixing tests with condensation in the PANDA facility using the GOTHIC code. Nuclear Engineering and Design, 240(6), 1528–1547 (2010). https://doi.org/10.1016/j.nucengdes.2010.02.021 [5] D. Paladino, M. Andreani, R. Zboray, & J. Dreier. Toward a CFD-grade database addressing LWR containment phenomena. Nuclear Engineering and Design, 253, 331–342 (2012). https://doi.org/10.1016/j.nucengdes.2011.08.064

Gas mixing and distribution in LWR containments