Organization / Localization: PSI Country: Switzerland Facility Description: It is a scaled-down model of the FRAMATOME 33/19 steam generator Test Identification: Several experiments under different experimental phases (from phase I to phase VIII) SA-Related Topics / Phenomena: Transport of FPs at high temperature - deposition in complexe structure Measured Parameters: Inlet and outlet aerosol size and concentration, thermal-hydraulic conditions, break flow velocity. Modelling: Tube length, bend curvature, aerosol type, size and concentration; break gas flow rate, break type (e.g. fish mouth, double-guillotine); pool submergence; droplets size. The varied parameters depend on each phase. Simulation Code: MELCOR Experimental Research Program: Aerosol Trapping In Steam GeneraTor (ARTIST) Project Link to PIRT: ST10, ST16
References: data relative to transport of aerosol in secondary after a SGTR event
[1] A. Dehbi et al. Key Findings from the Artist Project on Aerosol Retention in a Dry Steam Generator. Nuclear Engineering and Technology 48 (2016), p. 870-880. https://doi.org/10.1016/j.net.2016.06.001
[2] A. Rýdl et al., Integral analyses of fission product retention at mitigated thermally-induced SGTR using ARTIST experimental data. Nuclear Engineering and Design 297 (2016), p. 175–187. DOI: https://doi.org/10.1016/j.nucengdes.2015.11.014 IP/Copyright Situation: not open but partially published
Organization / Localization: PSI Country: Switzerland Facility Description: single SG tube, 19 mm outer diam., 3 tube lengths Test Identification: Phase I SA-Related Topics / Phenomena: Aerosol retention in SG tubes under dry conditions. Measured Parameters: in-tube aerosol deposition/resuspension is studied under high velocity conditions (up to 300m/s). Modelling: "Flow rates 80-360 kg/h nitrogen / air
Tube length, bend curvature, and aerosol type, size and concentration are varied." Experimental Research Program: Aerosol Trapping In Steam GeneraTor (ARTIST) Programme
Organization / Localization: PSI Country: Switzerland Facility Description: 1.125 m height, 270 SG tubes Test Identification: Phase II SA-Related Topics / Phenomena: Aerosol retention in the break vicinity under dry conditions Measured Parameters: Aerosol deposition/resuspension at very high velocities Modelling: Flow rates 80-360 kg/h nitrogen / air
The break gas flow rate and break type (fish-mouth, double guillotine, vertical) are varied. Simulation Code: OpenFoam Experimental Research Program: Aerosol Trapping In Steam GeneraTor (ARTIST) Programme
References: [1] https://doi.org/10.1016/j.anucene.2019.04.006
[2] R. Mukin et al., Particle deposition modeling in the secondary side of a steam generator bundle model,
Nuclear Engineering and Design, 299, 112-123, 2016, https://doi.org/10.1016/j.nucengdes.2015.09.001
[3] A. Dehbi et al., Key Findings from the Artist Project on Aerosol Retention in a Dry Steam Generator,
Nuclear Engineering and Technology, Volume 48, Issue 4, Pages 870-880, 2016, https://doi.org/10.1016/j.net.2016.06.001
[4] PSI TM-42-08-04; PSI TM-42-10-09
[5] S. Güntay, D. Suckow, A. Dehbi, R. Kapulla, ARTIST: introduction and first results, Nuclear Engineering and Design, 231, 1, 109-120, 2004, https://doi.org/10.1016/j.nucengdes.2004.02.012
Organization / Localization: PSI Country: Switzerland Facility Description: 2.41 m high, 89 SG tubes Test Identification: Phase III SA-Related Topics / Phenomena: Aerosol retention in the bundle far from the break, under dry conditions Measured Parameters: Aerosol deposition due to thermophoresis and impaction is studied at relatively small velocities (less than 1m/s) Modelling: Flow rates 80-360 kg/h nitrogen / air
The gas flow rate and the gas-structures temperature differential are varied Experimental Research Program: Aerosol Trapping In Steam GeneraTor (ARTIST) Programme
Organization / Localization: PSI Country: Switzerland Facility Description: 1:1 separator and dryer Test Identification: Phase IV SA-Related Topics / Phenomena: Aerosol retention in the separator and dryer under dry conditions. Measured Parameters: aerosol impaction and interception due to complex 3D flows in the upper components of the SG Modelling: The gas flow rate and the gas-structures temperature difference Experimental Research Program: Aerosol Trapping In Steam GeneraTor (ARTIST) Programme
Organization / Localization: PSI Country: Switzerland Facility Description: 10 m height, 1:12 volume SG Test Identification: Phase V SA-Related Topics / Phenomena: Aerosol retention in the bundle section under flooded pool conditions Measured Parameters: This phase investigates condensation-induced aerosol scrubbing by the SG water pool as well as inertial impaction upon the structures Modelling: Flow rates 80-360 kg/h nitrogen / air
The break flow rate, pool submergence, carrier gas steam content and pool subcooling are varied Experimental Research Program: Aerosol Trapping In Steam GeneraTor (ARTIST) Programme
Organization / Localization: PSI Country: Switzerland Facility Description: 1:1 separator and dryer Test Identification: Phase VI SA-Related Topics / Phenomena: Droplet retention in separator and dryer sections under dry conditions Modelling: Carrier gas flow rates and droplet sizes are varied Experimental Research Program: Aerosol Trapping In Steam GeneraTor (ARTIST) Programme
References: [1] ARTIST technical report, confidential
[2] S. Güntay, D. Suckow, A. Dehbi, R. Kapulla, ARTIST: introduction and first results, Nuclear Engineering and Design, 231, 1, 109-120, 2004, https://doi.org/10.1016/j.nucengdes.2004.02.012
Organization / Localization: PSI Country: Switzerland Facility Description: 10 m height, 132 U-tubes Test Identification: Phase VII SA-Related Topics / Phenomena: Integral test focused on aerosol retention in the whole model steam generator. Measured Parameters: aerosol physics in containment (FI4SCT950016) Experimental Research Program: Aerosol Trapping In Steam GeneraTor (ARTIST) Programme
Organization / Localization: PSI Country: Switzerland Facility Description: 10 m height, 1:12 volume SG Test Identification: Phase VIII SA-Related Topics / Phenomena: Aerosol retention in flooded separator Measured Parameters: Aerosol Trapping In Steam GeneraTor (ARTIST) Programme
References: [1] PSI TM-42-09-13
Implemented as part of the Seaknot EU funded project (HORIZON-EURATOM-2021-NRT-01 under Grant Agreement No. 101060327) - WP2.6 UNIPI (2024-2026) - Disclaimer