THE GENERATION OF CALANDRIA TUBE (CT) INNER DIAMETER PROFILES FROM FUEL CHANNEL (FC) INSPECTION DATA
35th Annual CNS Conference - 2015 May 31 - June 3


Presented at:
35th Annual CNS Conference
2015 May 31 - June 3
Location:
Saint John, Canada
Session Title:
1A2 - Refurbishment and Life Extension (I)

Authors:
P. J. Sedran (AMEC NSS)
B. Rankin (NB Power)
C. Lemire (Hydro-Québec)
  

Abstract

Studies of CT deformation at spacer locations, key to the development of FC deformation modelling, have been limited by the availability of gauging measurements from removed CTs. In [1], it was proposed that CT dimensional profiles could be generated using FC inspection data. Since then, the concept was investigated further by assessing: (1) the normalisation of gap measurements to the diameter of the spacer coil, (2) the validity of gap measurements from inspections of Point Lepreau and Gentilly-2, and the CT dimensional profiles generated from the inspection data. It was concluded, from the work presented in this paper, that the CT-PT gap data and the CT dimensional profiles generated using the data from the two subject inspections are reasonable.

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