Organization / Localization: CEA Country: France Test Identification: 1 SA-Related Topics / Phenomena:Fuel degradation, fission-product (FP) behaviour and aerosol characteristics Measured Parameters: burn-up=42.9 GWd/tu, Max T=2130 K Simulation Code: ASTEC Experimental Research Program: HEVA/VERCORS Program
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 265 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 266 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 267 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 268 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 269 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 270 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 273 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 272 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 271 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 274 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 275 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 278 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 277 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 276 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 280 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 279 IP/Copyright Situation: To be checked
References: J.P. Leveque et al., "The HEVA experimental programme", Nuclear Technology, Vol. 108, (1994), 33 [2] G. Ducros, P.P. Malgouyres, M. Kissane, D. Boulaud, M. Durin, "Fission Product release under severe accidental conditions; general presentation of the program and synthesis of VERCORS 1 to 6 results" ; Nuclear Engineering and Design 208, (2001), 191 [3] Y. Pontillon, P. P. Malgouyres, G. Ducros, G. Nicaise, R. Dubourg, M. Kissane, M. Baichi, "Study of the Active Role Played by UO2-ZrO2-FP Interactions on Irradiated Fuel Collapse Temperature from VERCORS Tests", J. Nucl. Mat., 344, (2005), 281 IP/Copyright Situation: To be checked
Organization / Localization: CEA Cadarache Country: France Facility Description: Investigate fission product release and transport during severe accident conditions in nuclear reactor Facility Status: Closed Test Identification: VERCORS 1 to 6 VERCORS HT-RT SA-Related Topics / Phenomena:Quantification of FP release kinetics and released rates as function of accident scenario (thermal cycle, atm) and nature of fuel. Quantification of gas and aerosols produced. Understand the fuel degradation phenomena Measured Parameters: Release kinetics Modelling: 1-1.5 bar; from RT to 2600°C; various atmosphere Ar, H2O (steam)/H2 (reducing or oxidising ratio), air, H2; irradiated and re-irradiated at low linear power (in order to recreate the short half-life FP) UO2 and MOX fuel Simulation Code: ASTEC, AC2, MELCOR Experimental Research Program: VERCORS Link to PIRT: WP-1.5 ST-3, ST-5
References: "[1] G. Ducros et al., « Fission product release under severe accidental conditions: general presentation of the program and synthesis of VERCORS 1–6 results », Nuclear Engineering and Design, vol. 208, no 2, p. 191‑203, sept. 2001, doi: 10.1016/S0029-5493(01)00376-4.
[2] Y. Pontillon et al., « Behaviour of fission products under severe PWR accident conditions VERCORS experimental programme—Part 1: General description of the programme », Nuclear Engineering and Design, vol. 240, no 7, p. 1843‑1852, juill. 2010, doi: 10.1016/j.nucengdes.2009.06.028.
[3] Y. Pontillon et G. Ducros, « Behaviour of fission products under severe PWR accident conditions: The VERCORS experimental programme—Part 2: Release and transport of fission gases and volatile fission products », Nuclear Engineering and Design, vol. 240, no 7, p. 1853‑1866, juill. 2010, doi: 10.1016/j.nucengdes.2009.06.024.
[4] Y. Pontillon et G. Ducros, « Behaviour of fission products under severe PWR accident conditions. The VERCORS experimental programme—Part 3: Release of low-volatile fission products and actinides », Nuclear Engineering and Design, vol. 240, no 7, p. 1867‑1881, juill. 2010, doi: 10.1016/j.nucengdes.2009.06.025.
[5] G. Ducros et al., « Synthesis of the VERCORS experimental programme: Separate-effect experiments on Fission Product release, in support of the PHEBUS-FP programme », Annals of Nuclear Energy, vol. 61, p. 75‑87, nov. 2013, doi: 10.1016/j.anucene.2013.02.033.
[6] Y. Pontillon et al., « Lessons learnt from VERCORS tests.: Study of the active role played by UO2–ZrO2–FP interactions on irradiated fuel collapse temperature », Journal of Nuclear Materials, vol. 344, no 1, p. 265‑273, sept. 2005, doi: 10.1016/j.jnucmat.2005.04.053
[7] A. Germain, « Etude de l’impact des équilibres chimiques locaux dans le combustible sur le terme source : de l’accidentel à la fusion du coeur », Thèse, vol. Université Aix-Marseille, 2022."
Organization / Localization: CEA Country: France Facility Description: The HT loop consists of many equipment such as a furnace, a thermal gradient tube, impactor, aerosol filter, condeser dryers, cold traps, etc. Test Identification: VERCORS 1 to 6; VERCORS RT1 to RT4, RT6 to RT8; VERCORS HT1 to HT3 SA-Related Topics / Phenomena:Release and Transport of FPs at high temperature Measured Parameters: Fuel temperature, FP and transuranic compounds by gamma spectrometry and chemical analysis Modelling: Fuel burnup, max fuel temperature (1860-1350 °) and duration, nature and initial state of the fuel, atmosphere (H2O+H2, H2, H2O), steam flow rate, hydrogen flowrate Simulation Code: MAAP4
ASTEC/ELSA
ASTEC/SOPHAEROS
ALCYONE Experimental Research Program: VERCORS HT experimental programme Link to PIRT: ST12, ST13
References: [1] Ducros et al. Synthesis of the VERCORS experimental programme: Separate-effect experiments on Fission Product release, in support of the PHEBUS-FP programme. Annals Nuclear Energy 61 (2013) 75–87. https://doi.org/10.1016/j.anucene.2013.02.033
[2] P. Malgouyres et al., The VERCORS HT facility for studies up to molten fuel conditions. In: Proceedings of the European Working Group Hot Laboratory and Remote Handling Meeting, Windscale, UK, 1998
[3] E. Beuzet et al., Ruthenium release modelling in air and steam atmospheres under severe accident conditions using the MAAP4 code,
Nuclear Engineering and Design, 246, 157-162, 2012, https://doi.org/10.1016/j.nucengdes.2011.08.025 IP/Copyright Situation: partially published
Implemented as part of the Seaknot EU funded project (HORIZON-EURATOM-2021-NRT-01 under Grant Agreement No. 101060327) - WP2.6 UNIPI (2024-2026)