Experimental Observations on Fuel Pellet Performance at High Burnup

概要

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The Japanese and Spanish nuclear industries have conducted joint experimental programmes since early 1990’s to address fuel performance issues such as fuel volume change and fission gas release. These efforts have produced large amount of valuable information on in-reactor performance of fuel materials representing current and potential future fuel designs. A large number of thoroughly characterised fuel rods composed of different materials have been irradiated in the Spanish PWR Vandellós II for up to five irradiation cycles achieving rod average burnup of up to 75 MWd/kgU.This paper looks into the fuel pellet performance at high burnup only based on the extensive PIE programme both on-site and in hot-cells carried out over this fuel and other related data on similar fuel rods thus supporting and enriching the conclusions.
一般社団法人日本原子力学会の論文
2006-09-25