Organization / Localization: KTH-NPS Facility Description: 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. Test Identification: M1 - M25 SA-Related Topics / Phenomena:Metallic simulant melt fragmentation and debris bed formation in deep water pool Measured Parameters: Debris bed 3D scanning, agglomeration fraction, particle size distribution as pool depth function, debris bed porosity estimate Modelling: Melt jet breakup Simulation Code: CLSVOF Experimental Research Program: National program "Accident Phenomena of Risk Importance" (APRI) supported by consortium of SSM and NPPs in Sweden Link to PIRT:
References: [1] Y. Xiang, D.S. Liang, A. Komlev, D. Fang, Y. Deng, L. Zhao, W. Ma. An experimental investigation on debris bed formation from fuel coolant interactions of metallic and oxidic melts, Applied Thermal Engineering 233 (2023) 121186.
[2] Y. Xiang, Y. Deng, D. Fang, D. Liang, W. Ma. Experimental investigation on debris bed formation from metallic melt coolant interactions. International Journal of Thermal Sciences 192 (2023) 108398.
[3] Y. Xiang, Y. Deng, D. Fang, N. Zhao, W. Ma. Experimental investigation on ex-vessel debris bed formation using low melting-point melt of binary metals. Progress in Nuclear Energy 157 (2023) 104564. 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)