SADD - Severe accident database directory

DataBase Ex-Vessel - Focus area 3: Molten corium concrete interaction and corium spreading (MCCIS) (4)

Facility Name	Test Identification	Measured Parameters	Modelling	Simulation Code	Experimental Research Program
VULCANO	VE-U7	Spread progression temperatures	Spreading of prototypic corium over ceramic and concrete channels	THEMA, CORFLOW, LAVA, MPS, MPH	EURATOM project ECOSTAR
References: [1] C. Journeau, J.F. Haquet, B. Spindler, C. Spengler, J. Foit, "The Vulcano VEU7 Corium Spreading Benchmark", Progr. Nucl. Ener. , 48, 215-234 (2006). [2] Jubaidah et al., Investigation on corium spreading over ceramic and concrete substrates in VULCANO VE-U7 experiment with moving particle semi-implicit method, Ann. Nucl. Ener. 141: 107266 (2020). IP/Copyright Situation: Open to European partners Link to PIRT: Used for an European benchmark
VULCANO	VE-U1, VE-U3, VE-U5	Spread progression temperatures	Spreading of prototypic corium	THEMA	EURATOM projects CSC and ECOSTAR + IPSN sponsorship of some tests
References: [1] C. Journeau, E. Boccaccio, C. Brayer, G. Cognet, J.F. Haquet, C. Jégou, P. Piluso, J. Monerris, Ex-vessel corium spreading : results from the VULCANO spreading tests, Nucl. Eng. Design, 223: 75-102, 2003. https://www.sciencedirect.com/science/article/pii/S0029549302003977 [2] G. Cognet, et al, “Corium spreading and coolability: CSC Project”, Nuclear Engineering and Design, Volume 209, Issues 1-3, November 2001, pages 127-138 https://www.sciencedirect.com/science/article/pii/S0029549301003958 IP/Copyright Situation: TBD Link to PIRT:
VULCANO	VE-U8	Spread progression temperatures	Spreading of (U,Zr)O2	THEMA, MPS	EURATOM project ECOSTAR + IRSN funding
References: [1] C. Journeau, E. Boccaccio, P. Fouquart, C. Jégou, P. Piluso, Corium spreading over concrete: The VULCANO VE-U7 and VE-U8 tests, 10th Int Conf. Nucl. Eng., ICONE 10, Arlington, VA, 2002. [2] Jubaidah et al., 2D MPS method analysis of ECOKATS-V1 spreading with crust fracture model, Nucl. Eng. Des. 379: 111251 (2021) IP/Copyright Situation: To be discussed Link to PIRT:
VULCANO	VE-U9	Spread progression temperatures	Spreading of prototypic corium over ceramic and concrete channels ; influence of slip-no slip condition on sacrificial concrete	MPH;	Mitsubishi Heavy Industry funding
References: [1] M. Johnson, A. Denoix, V. Bouyer, H. Goda, S. Kamohara, J. Takeuchi, L. Brissonneau, C. Journeau, High-temperature ex-vessel corium spreading. Part 1: experimental investigations on ceramic and sacrificial concrete substrates, J. Nucl. Sci. Tech. (2021) 59: 446-458 & 82. [2] M. Johnson, T. Schiano, A. Denoix, V. Bouyer, C. Journeau, High-temperature ex-vessel corium spreading. Part 2: scaling principles for gravity-viscous spreading with slip at the melt surface interface, J. Nucl. Sci. Tech. (2021) 59: 459-471. [3] R. Yokoyama, M. Kondo, S. Suzuki, M. Johnson, S. Miwa, M. Pellegrini, A. Denoix, V. Bouyer, C. Journeau, K. Okamoto, A Lagrangian approach to ex-vessel corium spreading over ceramic and concrete substrates using moving particle hydrodynamics, Nucl. Eng. Des. 399: 112029, 2022. IP/Copyright Situation: To be discussed with MHI Link to PIRT:

Corium Spreading