Behaviour of Aged and New Flux Detectors in Darlington Reactors
34th Annual CNS Conference - 2013 June 09-12


Presented at:
34th Annual CNS Conference
2013 June 09-12
Location:
Toronto, Canada
Session Title:
Reactor & Radiation Physics 1

Authors:
Constantin Banica (OPG)
Matthew Foster (OPG)
  

Abstract

In-core neutron flux detectors are used for protective and safety functions in the Darlington NGSA CANDU reactors. This paper presents new observations regarding the aging of flux detectors, including response to fuelling, response to unit shutdown and indicators of detector noise. Comparisons of detector signals before and after replacement confirm previous assumptions about aging effects.

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