SADD - Severe accident database directory

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

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:
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

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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: 10.1016/j.nucengdes.2015.11.014
Contributed By: I have added ARTIST data along with relevant publications in focus area 4: By-pass (comment by T. Lind)
IP/Copyright Situation: not open but partially published

Focus area 4: Fission product mitigation actions (e.g. FCVS, spray) and containment bypass scenarios (8)

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."
Simulation Code:
Experimental Research Program: Aerosol Trapping In Steam GeneraTor (ARTIST) Programme
Link to PIRT:

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References: [1] https://doi.org/10.1016/j.anucene.2019.04.006
[2] https://doi.org/10.1016/j.nucengdes.2004.02.012
[3] PSI TM-42-08-03; PSI TM-42-11-04
[4] 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
Comments: These 3 references are valid for the ARTIST tests in Phases I-V and VII-VIII
Contributed By: T. Lind

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
Link to PIRT:

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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
Comments: Different aerosol sizes, different break sizes
Contributed By: T. Lind

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
Simulation Code:
Experimental Research Program: Aerosol Trapping In Steam GeneraTor (ARTIST) Programme
Link to PIRT:

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References: [1] https://doi.org/10.1016/j.anucene.2019.04.006
[2] PSI TM-42-08-05
[3] 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
Comments: 1 or 2 far field stages
Contributed By: T. Lind

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
Simulation Code:
Experimental Research Program: Aerosol Trapping In Steam GeneraTor (ARTIST) Programme
Link to PIRT:

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References: [1] https://doi.org/10.1016/j.anucene.2019.04.006
[2] PSI TM-42-08-06
[3] 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
Contributed By: T. Lind

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
Simulation Code:
Experimental Research Program: Aerosol Trapping In Steam GeneraTor (ARTIST) Programme
Link to PIRT:

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References: [1] https://doi.org/10.1016/j.nucengdes.2010.10.025
[2] PSI TM-42-08-18; PSI TM-42-10-02
[3] 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
Comments: Different submergence
Contributed By: T. Lind

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
Measured Parameters:
Modelling: Carrier gas flow rates and droplet sizes are varied
Simulation Code:
Experimental Research Program: Aerosol Trapping In Steam GeneraTor (ARTIST) Programme
Link to PIRT:

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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
Contributed By: T. Lind

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)
Modelling:
Simulation Code:
Experimental Research Program: Aerosol Trapping In Steam GeneraTor (ARTIST) Programme
Link to PIRT:

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References: [1] https://doi.org/10.1016/j.net.2016.06.001
PSI TM-42-08-08
[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
Contributed By: T. Lind

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
Modelling:
Simulation Code:
Experimental Research Program:
Link to PIRT:

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References: [1] PSI TM-42-09-13
Contributed By: T. Lind

Facility Details: ARTIST