Facility Details: REKO-3

Organization / Localization: FZJ
Country: Germany
Facility Description: Vertical channels incorporated with plate-type PAR catalysts
SA-Related Topics / Phenomena: PAR operation. Reaction kinetics on catalyst surfaces, and generation and removal of reaction heat
Measured Parameters: Temperature, H2 recombination rate.
Modelling: PAR operation: REKO-Direkt model (2-D mechanistic model), and Bunsen flame-type code wihout turbulence model.
Simulation Code: CFX/REKO-DIREKT PARUPM SPARK
Experimental Research Program: Helmholtz program NUSAFE German national projects IRSN collaboration AMHYCO project
References: [1] E.-A. Reinecke, I. M. Tragsdorf, & K. Gierling. Studies on innovative hydrogen recombiners as safety devices in the containments of light water reactors. Nuclear Engineering and Design, 230(1–3), 49–59 (2004). https://doi.org/10.1016/j.nucengdes.2003.10.009

[2] S. Kelm, W. Jahn, E. Reinecke, J. Baggemann, & H.-J. Allelein. CFD Simulation of Passive Auto-Catalytic Recombiner Operational Behaviour. Proceedings of the 17th International Conference on Nuclear Engineering (ICONE-17), Vol. 5: Fuel Cycle and High and Low Level Waste Management and Decommissioning; Computational Fluid Dynamics (CFD), Neutronics Methods and Coupled Codes; Instrumentation and Control, Brussels, Belgium, July 12–16, 2009, pp. 633–639. ASME. https://doi.org/10.1115/ICONE17-75831

[3] E.-A. Reinecke, A. Bentaib, S. Kelm, W. Jahn, N. Meynet, C. Caroli. Open issues in the applicability of recombiner experiments and modelling to reactor simulations. Progress in Nuclear Energy, 52(1), 136–147 (2010). https://doi.org/10.1016/j.pnucene.2009.09.010

[4] M. Klauck, E.-A. Reinecke, S. Kelm, N. Meynet, A. Bentaïb, & H.-J. Allelein. Passive auto-catalytic recombiners operation in the presence of hydrogen and carbon monoxide: Experimental study and model development. Nuclear Engineering and Design, 266, 137–147 (2014). https://doi.org/10.1016/j.nucengdes.2013.10.021

[5] P.-M. Steffen, E.-A. Reinecke, S. Kelm, A. Bentaib, N. Chaumeix, & H.-J. Allelein. Prevention of hydrogen accumulation inside the vacuum vessel pressure suppression system of the ITER facility by means of passive auto-catalytic recombiners. International Journal of Hydrogen Energy, 44(17), 8971–8980 (2019). https://doi.org/10.1016/j.ijhydene.2018.07.039

[6] A. Domínguez-Bugarín, M.-Á. Jiménez, E.-A. Reinecke, & G. Jiménez. PARUPM: A simulation code for passive auto-catalytic recombiners. EPJ Nuclear Science & Technology, 8, 32 (2022). https://doi.org/10.1051/epjn/2022046




Implemented as part of the Seaknot EU funded project (HORIZON-EURATOM-2021-NRT-01 under Grant Agreement No. 101060327) - WP2.6 UNIPI (2024-2026)