SADD - Severe accident database directory

Focus area 2: Fission product chemistry, transport and remobilization behaviour in RCS (1)

Facility Description: High temperature tubular furnace and a transport tube simulating the RCS. Quartz tube 30 mm ID and 1.7 - 2.0 m long or SS tube 32.7 mm ID and 1.8 m long
Test Identification: Enumerated experiments from 1 to 6 (2018), and from 1 to 10 (2024)
SA-Related Topics / Phenomena:
Measured Parameters: Ru deposits profile, Ru concentration, gaseous Ru compounds captured in liquied traps,
Modelling: Material (Quartz or 316L SS), tube length, vaporization carrier gas (dry air or steam) and duration (7 - 7.5h), revaporization carrien gas and duration
Simulation Code: ASTEC/SOPHAEROS
Experimental Research Program: STEM and STEM2 OECD project: https://www.oecd-nea.org/jcms/pl_25255/source-term-evaluation-and-mitigation-stem-project
Link to PIRT: ST-15, ST-25

Show/Hide Additional Details ▼

References: [1] M.N. Ohnet et al., Ruthenium behavior in the reactor cooling system in case of a PWR severe accident, Journal of Radioanalytical and Nuclear Chemistry, 316, 161-177, 2018. DOI: 10.1007/s10967-018-5743-2
[2] M.N. Ohnet et al., Ruthenium behavior in the reactor cooling system in case of a PWR severe accident: study of oxidative conditions with stainless steel tube, Journal of Radioanalytical and Nuclear Chemistry, 2024, 333(1), pp. 235–251. https://link.springer.com/article/10.1007/s10967-023-09230-7
Contributed By: L. Cantrel
IP/Copyright Situation: partial, upon request

Facility Details: START