Facility Details: SIMECO Debris Dryout/Remelting

Description: Dryout / remelting study of inductively heated debris bed in hemispherical slice geometry (Debris height = 340 mm, Debris radius = 500 mm, Thickness = 30 mm) under water. Debris simulant material: carbon steel and Sn-Bi particles with 1-2 mm diameter.
Organization / Localization: KTH-NPS
Ex-Vessel Debris Cooling - (EVDC) (1)
Test Identification: Debris dryout / remelting
SA-Related Topics / Phenomena: Debris bed coolability, dryout and remelting under water. Melt relocation in particulate debris bed
Measured Parameters: Debris bed temperature, dryout location, incoming water flow, video observation
Modelling: Dryout power, dryout location
Simulation Code: COCOMO
Experimental Research Program: National program "Accident Phenomena of Risk Importance" (APRI) supported by consortium of SSM and NPPs in Sweden, ENSI, CNPE
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References: [1] Y. Xiang, A. Komlev, Y Chen, W. Ma, W. Villanueva, A. Konovalenko, S. Bechta. Pre-test simulation and a scoping test for dryout and remelting phenomena of an in-vessel debris bed. Nuclear Engineering and Design 403 (2023) 112143.
Contributed By: A. Komlev
IP/Copyright Situation: To be checked




Implemented as part of the Seaknot EU funded project (HORIZON-EURATOM-2021-NRT-01 under Grant Agreement No. 101060327) - WP2.6 UNIPI (2024-2025)