Conference Proceedings Paper
End-Flux Peaking Experiment in the ZED-2 Reactor using CANFLEX-RU
32nd Annual CNS Conference - 2011 June 05-08
Julian Atfield (AECL - Chalk River)
Michael Zeller (AECL-Chalk River)
This paper describes an end-flux peaking experiment performed in the Zero Energy Deuterium reactor (ZED-2) that provides data appropriate for validating code predictions used for qualification of CANFLEX-RU fuel in CANDU®. The experiment involved the substitution of 7 channels of CANFLEX-RU test assemblies into a natural uranium driver lattice, with a ‘demountable’ CANFLEX-RU bundle positioned in the centre of the central RU channel. Copper foils positioned between adjacent fuel pellets within the demountable bundle were used to derive end-flux peaking factors appropriate for CANFLEX-RU fuel.
 CANFLEX® (CANDU FLEXible fuelling) is a registered trademark of AECL and the Korea Atomic Energy Research Institute (KAERI). These experiments used CANFLEX bundles containing Recovered Uranium (RU) fuel (CANFLEX-RU bundles).
 CANDU® (CANada Uranium Deuterium) is a registered trademark of AECL.
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