Dynamic Model for Lead Cable of Inconel Self-Powered NeutronDetectors

CANDU reactors use a large number of self-powered, in-core flux detectors (ICFDs) for their

reactor regulating system (RRS) and their two shutdown systems (SDS-1 and SDS-2).

Dynamic characteristics of ICFDs and lead cables are very important to reactor control and

safety. Although, to date, several studies have modeled dynamic characteristics of ICFDs

and lead cables, additional effort is deemed necessary to model the dynamic response of

lead cables, both at their beginning of life and as they age. The objective of the project proposal is to develop a dynamic model for the lead cables based on the physics of the neutron and gamma interactions contributing to the signal and to use the developed model to simulate previous experiments in Chalk River and observations at OPG.The ability to predict the characteristics of these lead cables at their beginning of life and as they age will benefit OPG’s ability to ensure safe operation of its reactors.

Faculty Supervisor:

Eleodor Nichita

Student:

Partner:

Ontario Power Generation (Toronto, ON)

Discipline:

Engineering

Sector:

Utilities

University:

University of Ontario Institute of Technology

Program:

Accelerate

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