Refinement of transient analysis for Zircaloy-4 fuel sheath oxidation in air
| dc.contributor.advisor | Cook, William | |
| dc.contributor.author | Mullin, Derek | |
| dc.date.accessioned | 2025-05-30T15:03:12Z | |
| dc.date.available | 2025-05-30T15:03:12Z | |
| dc.date.issued | 2025-03 | |
| dc.description.abstract | In the absence of adequate cooling, CANDU TM 37-element Zircaloy-4 fuel sheath oxide growth predictions are simulated using an oxidation kinetic model derived from elevated isothermal experiments. However, due to the CANDU TM on-line fueling process, discharged fuel bundles undergo non-isothermal conditions initiating from decay heat flux if the transfer elevator / ladle fails. It was hypothesized that oxidation kinetics will not follow the traditional kinetics model. Experiments to test this hypothesis and develop a new oxidation kinetics model were proposed and conducted, which approximated fuel state under these conditions. The research provides a basis for (a) demonstrating the oxidation kinetics of CANDU TM fuel bundles stuck on the discharge ladle differs significantly from the currently accepted kinetics model, and (b) that resistance of a Zircaloy-4 fuel sheath can be correlated to overall oxide growth thickness on the fuel sheath. | |
| dc.description.copyright | ©Derek Mullin, 2025 | |
| dc.format.extent | xi, 130 | |
| dc.format.medium | electronic | |
| dc.identifier.uri | https://unbscholar.lib.unb.ca/handle/1882/38308 | |
| dc.language.iso | en | |
| dc.publisher | University of New Brunswick | |
| dc.rights | http://purl.org/coar/access_right/c_abf2 | |
| dc.subject.discipline | Chemical Engineering | |
| dc.title | Refinement of transient analysis for Zircaloy-4 fuel sheath oxidation in air | |
| dc.type | master thesis | |
| oaire.license.condition | other | |
| thesis.degree.discipline | Chemical Engineering | |
| thesis.degree.grantor | University of New Brunswick | |
| thesis.degree.level | masters | |
| thesis.degree.name | M.Sc.E. |