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Juri Stuckert, M. Große, Z. Hózer, M. Steinbrück

Results of the QUENCH-16 Bundle Experiment on Air Ingress

(KIT Scientific Reports ; 7634)

AutorStuckert, Juri ; Große, M. ; Hózer, Z. ; Steinbrück, M.

VerlagKIT Scientific Publishing, Karlsruhe

ISBN9783731500087

UmfangXI, 186 S.

Veröffentlicht
am:
17.05.2013

Erscheinungs-
jahr
2013

VerfügbarkeitAktiv

Printausgabe:

Downloads:

Für Zitate bitte die folgende URL verwenden:
http://dx.doi.org/10.5445/KSP/1000034168

Abstract

The out-of-pile bundle experiment QUENCH-16 on air ingress was conducted in the electrically heated 21-rod QUENCH facility at KIT in July 2011. The oxidation of the Zircaloy-4 claddings in air following a limited pre-oxidation in steam was examined. Three contributors for intensive hydrogen production during the final reflood were identified: 1) re-oxidation of nitrides, 2) secondary oxidation of cladding metal by steam penetrated through the porous re-oxidized scales and 3) melt oxidation.