Organization / Localization: KTH-NPS Facility Description: Oxidic melt simulant material spreading in the relatively shallow water pool. Jet type melt delivery. Melt volume is about several liters Test Identification: E7 - E18 SA-Related Topics / Phenomena:FCI, underwater melt spreading in shallow pool, solidification, debris bed formation Measured Parameters: Melt spreading area, debris dimensions, 3D scaning, prosity estimate, melt spreading velocity, temperatures Modelling: Melt spreading area Simulation Code: MELTSPREAD; MPS; MSPREAD Experimental Research Program: Experimental program "Invstigation of Cooling Phenomena of High Temperature Molten Core" for Nuclear regulation Authority (NRA) of Japan Link to PIRT:
References: [1] Akitoshi Hotta, Miyuki Akiba, Akinobu Morita, Alexander Konovalenko, Walter Villanueva, Sevostian Bechta, Andrei Komlev, Sachin Thakre, Seyed Mohsen Hoseyni, Per Sköld, Toshinori Matsumoto, Tomoyuki Sugiyama & Michael Buck, “Experimental and Analytical Investigation of Formation and Cooling Phenomena in High Temperature Debris Bed”, Journal of Nuclear Science and Technology, 57:4, 353-369, 2019, DOI: 10.1080/00223131.2019.1691078 IP/Copyright Situation: None
Implemented as part of the Seaknot EU funded project (HORIZON-EURATOM-2021-NRT-01 under Grant Agreement No. 101060327) - WP2.6 UNIPI (2024-2026)