Split-Count Technique for Failed Fuel Detection and Location

摘要

This paper reviews development of the ''split-count'' Burst Can Detection technique on the Windscale AGR. Improvements in failed fuel location were achieved by monitoring the proportion of longer-lived noble gas emitted by very small defects. The behaviour of holes in cladding, 10 exp -10 m exp 2 or even smaller, was studied over long periods. Experience throughout application on WAGR is described, with reference to post-irradiation examination results and to confirmatory experiments using a loop facility. (Atomindex citation 14:772759)