Agenda 1999

5^th International QUENCH Workshop Forschungszentrum Karlsruhe October 19-21, 1999

Meeting Location:	Fortbildungszentrum für Technik und Umwelt (FTU)
	QUENCH Workshop: AULA (Ground floor)

Tuesday, October 19, 1999

8.30 h	REGISTRATION
9.00 h	Welcome and introduction	P. Hofmann
9.20 h	Effect of uncertainties in hydrogen/steam source terms on the analysis of hydrogen behaviour and control in severe accidents	W. Breitung, FZK
9.50 h	In-Vessel Hydrogen Source Terms during Severe Accidents	J. Starflinger, FZK
10.15 h	QUENCH program at FZK	A. Miassoedov, FZK
10.30 h	BREAK

	QUENCH FACILITY (Chairman: A. Miassoedov)
11.00 h	Experimental results of the test QUENCH-03	L. Sepold, FZK
11.25 h	Metallographic post-test examination of the QUENCH-02 test bundle	M. Steinbrück, FZK
11.45 h	First results of test QUENCH-04	L. Sepold, FZK
12.15 h	Hydrogen behaviour during bundle QUENCH tests	M. Steinbrück, FZK
12.35 h	LUNCH
13.30 h	Influence of the thermocouple location on the measured quenching temperature	L. Sepold, FZK
13.50 h	Analytical investigations of tests QUENCH-03 and QUENCH-04	Ch. Homann, FZK
14.20 h	Survey on mechanisms triggering temperature escalations in FZK QUENCH tests	H. Steiner, FZK
14.50 h	BREAK

	EXPERIMENTS (Chairman: M. Steinbrück)
15.10 h	Hydrogen absorption in small-scale and bundle tests	A. Miassoedov, FZK
15.30 h	Effect of oxygen content on hydrogen solubility in Zr alloys	L. Matus, KFKI
15.50h	Steam oxidation of Zr alloys with H content	L. Matus, KFKI
16.10 h	Ring compression tests with Zr alloys. The effect of H and O content	L. Maroti, KFKI
16.30 h	Status of spectral pyrometry at FZK	L. Steinbock, FZK

Wednesday, October 20, 1999

	MODELING AND CODE SYSTEMS (Chairman: W. Hering)
8.30 h	TMI-2 analysis using RELAP/SCDAPSIM/MOD3.2	Ch. Allison, ISS
8.50 h	Core degradation and hydrogen generation in the TMI-2 accident with SCDAP/RELAP5	G. Bandini, ENEA
9.10 h	Reflood analyses for the EPR using SCDAP/RELAP5 mod3.2	W. Hering, FZK
9.30 h	Reflooding applications of the BWR recriticality model RECRIT	I. Lindholm, VTT Energy
9.50 h	VVER-1000 core quenching analyses with MELCOR and ICARE codes	J. Duspiva, NRI Rez
10.10 h	BREAK
10.30 h	The hydrogen generated as a gas and storage in Zry during water quenching	E. Garcia, ARN
11.00 h	Current status of the SVECHA/QUENCH code. Hydrogen absorption model development	M. Veshchunov, IBRAE
11.30 h	Thermal-hydraulic model of the SVECHA/QUENCH code: Current status and further development	A. Palagin, IBRAE
12.00 h	Calculation of the QUENCH experiment with MAAP	S. Marguet, EdF
12.20 h	LUNCH
13.20 h	Post-test calculation of the QUENCH-01 experiment using the computer code ATHLET-CD	T. Steinrötter, RUB
13.40 h	Post-test calculation of the QUENCH-01 experiment with the ICARE2 V3 code	S. Melis, IPSN
14.00 h	GUIDED TOUR THROUGH FZK AND RECEPTION BY FZK

Thursday, October 21, 1999

	CORE DEGRADATION AND OTHER TOPICS (Chairman: T. Haste)

8.30 h	Experiments on the ZrO₂ shell failure	A. Miassoedov, FZK
8.50 h	Modelling of the new FZK tests on ZrO₂ shell failure	A. Boldyrev, IBRAE
9.10 h	UO₂ and ZrO₂ dissolution by molten Zircaloy	J. Stuckert, FZK
9.30 h	UO₂ and ZrO₂ dissolution by molten Zry. Main test conclusions from the CIT Programme	M. Veshchunov, IBRAE
10.00 h	Comparative studies on the Zry-4/air and Zry-4/O₂ reaction behaviour towards air ingress scenarios	W. Krauss, FZKA
10.20 h	BREAK
10.50 h	Comments on the kinetic evaluation of oxidation experiments	G. Schanz, FZKA
11.00 h	Program and preliminary results of examination of spent VVER fuel behaviour under LOCA conditions	V. Smirnov, RIAR
11.30 h	Metallographic results and analysis from the post-irradiation examination of the PHEBUS FPT1 bundle	D. Bottomley, ITU
11.50 h	Conclusions from the COBE Project	T. Haste, AEAT/JRC Ispra
12.10 h	EC 5th Framework projects regarding core degradation	B. Adroguer, CEA-IPSN

12.30 h	CLOSURE OF THE WORKSHOP
12.50 h	LUNCH