SADD - Severe accident database directory

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

Facility Name	Test Identification	Measured Parameters	Modelling	Simulation Code	Experimental Research Program	Country
Revaporization facility	Enumerated experiments from 1 to 9	Gamma-ray spectra, chemical composition, morphology and size distribution of captured aerosol, temperature range 200-1000°C	Different samples prepared at different atmosphere (air, hydrogen, air and hydrogen, steam and hydrogen) and different locations, different heating profile (2 K/min - 10 K/min), different process gas feeding rates	Not found	SARNET II	France
References: [1] K. Knebel et al., A review of revaporisation behaviour of radioactive Cs deposits and its impact on the source term in severe nuclear accidents from Phébus FP results and single effect testing. Journal of Nuclear Science and Technology 2019(56), 9–10, p. 772–789. https://doi.org/10.1080/00223131.2018.1558130 [2] K. Knebel et al., An experimental device to study the revaporisation behaviour of fission product deposits under severe accident conditions. Progress in Nuclear Energy 72 (2014), p. 77-82. https://doi.org/10.1016/j.pnucene.2013.07.022 [3] K. Knebel et al., Characterisation of aerosols produced in a simulated severe nuclear accident using electron microscopy, Journal of Aerosol Science, 106, 68-82, 2017, https://doi.org/10.1016/j.jaerosci.2017.01.008 Link to PIRT: ST30 Facility Status: closed

Cesium revaporization from deposits in stainless steel, and its transport in the containment