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Agenda

20th International QUENCH Workshop*

Collocated with the 1st IAEA Coordinated Research Project FUMAC Meeting

Karlsruhe Institute of Technology, Campus North, H.-von-Helmholtz-Platz 1, 76344 Egg.-Leopoldshafen

 November 11-14, 2014

Meeting Location: Fortbildungszentrum für Technik und Umwelt (FTU), Auditorium (Aula)

Tuesday,           11 Nov 2014

8:00

Pick-up at the hotels (Acora/Kübler)

8:20

Registration

INTRODUCTION (Chair: M. Steinbrück)

9:00

Welcome

M. Steinbrück, KIT W. Tromm, KIT

9:20

SAFEST: towards a pan-European laboratory on corium experimental R&D

B. Fluhrer, KIT

QUENCH JUBILEE SESSION (Chair: M. Steinbrück)

9:40

Knowledge on core degradation phenomena obtained by the CORA program (1986-1993) and resulting remaining uncertainties

P. Hofmann

10:10

Results and conclusions from the QUENCH integral reflood experiments

T. Haste, IRSN

10:40

Coffee break (Group Photo)

11:10

Improvements in oxidation modelling during the QUENCH era

J. Birchley

11:40

KIT-IBRAE collaboration in the frame of the QUENCH program

M. Veshchunov, IBRAE

QUENCH PROGRAM (Chair: J. Konys)

12:10

Update of the QUENCH program

M. Steinbrück, KIT

12:45

Lunch

QUENCH-LOCA (Chair: J. Konys)

13:45

Results of the high temperature bundle test QUENCH-L3HT with optimized ZIRLO™ claddings

J. Stuckert, KIT

14:10

Neutron imaging investigations of the claddings used in the QUENCH-L2 and -L3 tests

M. Grosse, KIT

14:30

First results of the bundle test QUENCH-L4 with hydrogenated M5® claddings

J. Stuckert, KIT

14:50

Coffee break

ACCIDENT TOLERANT FUELS (ATF) (Chair: M. Grosse)

15:20

On-going CEA studies on enhanced accident tolerant fuel claddings

J.-C. Brachet, CEA

15:50

Oxidation and Quench of Silicon Carbide Composites in High Temperature Corrosive Environments

V. Avincola, KIT

16:10

Application of the High Intensity Pulsed Plasma Beam for the modification of the zirconium alloy surface layer properties - preliminary results

W. Starosta, INCT

16:30

High Temperature Steam Oxidation Performance of Coatings for Zircaloy

V. Avincola, KIT

16:50

Small-angle neutron scattering studies of hydrogen microstructural effects in Zr alloys (shifted from EXPERIMENTS session)

R. Coppola, ENEA

ca. 17:20

Bus transfer to the hotels

Wednesday,

8:20

12 Nov 2014

Pick-up at the hotels (Acora/Kübler)

MODELLING AND CODE APPLICATION I (Chair: T. Haste)

9:00

ASTEC validation on the QUENCH-08 experiment

I. Gómez García-Toraño, KIT

9:20

Validation of ASTEC V2.0 on QUENCH-11

F. Gremme, RUB

9:40

Validation of ASTEC V2.1 on Q03, Q11 and Q17 experiments

O. Coindreau, IRSN

10:10

Best estimate approach for QUENCH-03 and QUENCH-06 Experiments

T. Kaliatka, LEI

10:30

Coffee break

MODELLING AND CODE APPLICATION II (Chair: M.S. Veshchunov)

11:00

Air ingress modeling using ASTEC

H. Muscher, KIT

11:25

Numerical simulation of melting and solidification of core internals based on VOF technique

S. Yamashita, JAEA

11:45

Finite element modelling of debris bed water quenching

D. Pavlidis, ICL

12:05

Application of PSI air oxidation model on spent fuel pools under severe accident conditions

B. Jäckel, PSI

12:30

Lunch

IAEA FUMAC SESSION (Chair: J. Killeen, P. van Uffelen)

13:30

Assessment of the German CORA and QUENCH Data Applicability for the Analysis of Severe Accident Transients for PHWRs with Fuel Channel Designs

C. Allison, ISS

14:00

Simulation of LOCA tests carried out in Norway by means of the TRANSURANUS code

P. van Uffelen, ITU

14:20

Inclusion of Accident Conditions Models in the DIONISIO 2.0 Code

A. Denis, CNEA

14:40

FRAPTRAN modelling and DAKOTA uncertainty analysis of selected Halden LOCA tests

J. Zhang, Tractebel

15:00

Coffee break

15:30

Modelling LOCA behaviour with the ALCYONE code : application to some IFA650 LOCA tests

A. Boulore, CEA

15:50

Coupling of steady state fuel behaviour code with RELAP/SCDIM thermal hydraulic analysis code

F.B. Tas, HU

16:10

Modeling LOCA behavior with the BISON fuel performance code

G. Pastore, INL

16:45

Bus to the Invited Reception in the Palatine Forest (Buschmühle: http://www.buschmuehle.de/index.php/home/bildergalerie/die-raeume.html)

ca. 21:00

Departure to hotels and KIT

Thursday,

7:50

13 Nov 2014

Pick-up at the hotels (Acora/Kübler)

AIR OXIDATION OF ZRY CLADDING (Chair: J.-C. Brachet)

8:30

Project of the cladding air oxidation experiment in JAEA regarding severe accident in SFP

Y. Nemoto, JAEA

8:45

High-temperature oxidation of Zircaloy-4 in steam-nitrogen mixtures

M. Steinbrück, KIT

9:10

Hydrogen uptake of Zry-4 during annealing in steam/nitrogen atmospheres

M. Grosse, KIT

9:30

Overview of the air oxidation kinetic modeling

S. Park, PSI

9:50

Degradation mechanism of Zr-based fuel claddings in steam and air-steam atmospheres at high temperatures

F. Haurais, EDF

10:15

Model of Zr-based claddings oxidation in oxygen-nitrogen and steam-nitrogen gas mixtures and its application to separate effects tests

A. Vasiliev, IBRAE

10:35

Coffee break

EXPERIMENTS (Chair: D. Bottomley)

11:00

New experiment on the CODEX facility

A. Vimi, MTA

11:15

Kinetics of dissolution of oxide layer on cladding surface under oxygen starvation conditions

J. Stuckert, KIT

11:30

Corrosion behavior and embrittlement of E110 alloy under LOCA conditions

D. Ignatyev, LUCH

11:45

Hydrides and fracture of pure zirconium and Zircaloy-4 hydrogenated at temperatures typical for loss-of-coolant accident conditions

A. Pshenichnikov, KIT

12:05

E110 alloy structure studies after hydrogenation and high temperature oxidation

A. Mokrushin, LUCH

12:30

Closure of the Workshop

M. Steinbrück, KIT

12:45

Lunch

13:45

Bus for train station and Hotels

14:00

FUMAC meeting (FTU, room 157)

* Supported by Alliance for Competence in Nuclear Technology Germany