MASCA Seminar 2004

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Final programme

Thursday 10 June

8:00	Registration
8:30	Welcome	Mr Schwarz (Director IRSN/DPAM, FR)
		Mr Mathet (NEA)

Chairs: Mr Gonzalez (IRSN, FR)- Mr Mathet (NEA)

8:45	Overview of in-vessel retention issues and the role of RASPLAV and MASCA projects	Dr Tuomisto (FORTUM Nuclear Services Ltd, FIN)
9:15	MASCA Project: Major activities and results	Dr Tsurikov (RRC KI, RF)
9:45	MASCA Activities on Development of Technical Capabilities	Mr Kisselev (RRC KI, RF)
10:15	Coffee break

Chairs: Prof Sehgal (KTH, SWD) – Dr Hozer (AEKI, HUN)

10:45	Partitioning of Zr, U and FP between Molten Oxidic and Metallic Corium	Dr Bechta (NITI, RF)
11:15	Study of the Molten Metal Migration in the Oxide Porous Matrix	Mr Kisselev (RRC KI, RF)
11:45	Physical properties measurements within MASCA project	Dr Merzlyakov (RRC KI, RF)
12:15	Study of thermal hydraulic processes in a stratified molten pool	Dr Semenov (IBRAE, RF)
12:45-14:30	Lunch

Chairs: Dr Powers (SNL, USA) - Dr Micaelli (IRSN, FR)

14:30	The analysis of the large scale RCW test	Prof Strizhov (IBRAE, RF)
14:50	Numerical simulation of heat and mass transfer processes in a stratified molten pool	Dr Semenov (IBRAE, RF)
15:10	Density Stratification and Fission Product Partitioning in Molten Corium Phases	Dr Powers (SNL, USA)
15:30	Thermodynamic analysis for molten corium stratification using ionic liquid database	Mr Fukasawa (JNES, JAP)
15:50	Coffee break
16:20	An experimental and theoretical thermodynamic approach to study the miscibility gap in a U-Zr-O-Fe model corium	Dr Guéneau (CEA, FR)
16:40	Thermophysical properties of in-vessel corium: MASCA Programme related results	Mr Barrachin (IRSN, FR)
17:00	Thermodynamic modelling and databanking: NUCLEA	Dr Cheynet (Thermodata, FR)

End of the first day

Dinner hosted by IRSN

Chairs: Dr Trambauer (GRS, GER) – Mr Robledo Sanz (CSN, SP)

8:45	MASCA Major Findings and Their Implication on Accident Progression Scenario	Prof Strizhov (IBRAE, RF)
9:10	Experiments with boron containing corium	Dr Hozer (AEKI, HUN)
9:30	CEA approach to the modelling of corium behaviour and the place of MASCA	Dr Seiler (CEA, FR)
9:50	An efficient convection scheme based on molten pool plumes and scaling	Dr Muller (GRS, GER)
10:20	Coffee break
10:40	Modelling of corium stratification in the lower plenum of a reactor vessel	Dr Fichot (IRSN, FR)
11:00	The thermalhydraulics of corium pools undergoing a miscibility gap. Model development and reactor applications	Dr Seiler (CEA, FR)
11:20	Natural convection heat transfer in a stratified melt pool with volumetric heat generation	Prof Raj Sehgal (KTH, SWD)
11:40	Severe Core Damage Accident Progression within a CANDU Calandria Vessel	Dr Mathew (AECL, CAN)
12:00	Potential impact of the MASCA results on the EPR melt retention concept	Dr Fisher (Framatome-anp, GER)
12:20-14:00	Lunch
14:00	MASCA2 project	Dr Tsurikov (RRC KI, RF)