The facility is composed of a 45-kW medium frequency (up to 30kHz)induction furnace (IF) for melt generation, melt delivery funnel, andcoolant tank with a glass window for visual imaging of transientpre-mixing.
Debris bed 3D scanning, agglomeration fraction as pool depth function, particle size distribution as pool depth function, debris bed porosity estimate
(i) Experimental program "Invstigation of Cooling Phenomena of High Temperature Molten Core" for Nuclear regulation Authority (NRA) of Japan; (ii) EU SAFEST; National program "Accident Phenomena of Risk Importance" (APRI) supported by consortium of SSM an
References: [1] Wataru Kikuchi, Akitoshi Hotta, Koetsu Ito, Mamoru Shimizu, Development of an evaluation method for debris bed formation behavior focusing on the agglomeration mechanism observed in the DEFOR-A test using THERMOS/JBREAK–DPCOOL–MSPREAD, Nuclear Engineering and Design, Volume 439, 2025, 114041,
https://doi.org/10.1016/j.nucengdes.2025.114041
[2] 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
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