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Update of the QUENCH program

Steinbrück, Martin ORCID iD icon; Stuckert, Juri ORCID iD icon; Große, Mirco

Abstract (englisch):

The main objective of the QUENCH program at KIT is the investigation of the hydrogen source
term and materials interactions during LOCA and the early phase of severe accidents including
reflood. Bundle experiments as well as separate-effects tests are conducted to provide data for
the development of models and the validation of severe fuel damage code systems.
The QUENCH bundle facility is a unique out-of-pile bundle facility with electrically heated fuel
rod simulators and extensive instrumentation. So far, 18 experiments with various severe
accident (SA) scenarios as well as a series of seven DBA LOCA experiments were conducted. The
QUENCH-LOCA series was finished in 2016. One of the main results is the definition of the
conditions for secondary hydriding around the burst position and its influence on the
mechanical properties of the cladding rods.
The last SA test QUENCH-18 in the framework of the EC-China ALISA project with Ag-In-Cd
absorber rods and air ingress phase was conducted end of September 2017. First results were
presented by Stuckert.
Separate-effects tests during 2017 were focused on the interaction of zirconium alloys with
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Zugehörige Institution(en) am KIT Institut für Angewandte Materialien – Angewandte Werkstoffphysik (IAM-AWP)
Publikationstyp Vortrag
Publikationsjahr 2017
Sprache Englisch
Identifikator KITopen-ID: 1000076453
HGF-Programm 32.02.11 (POF III, LK 01) Auslegungsüberschreitende Störfälle
Veranstaltung 23rd International QUENCH Workshop, Karlsruhe Institute of Technology, Karlsruhe, Germany, 17.-19.10.2017
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