| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Microstructural, Mechanical, and Chemical Behavior of Solid Nuclear Fuel and Fuel-Cladding Interface II
|
| Presentation Title |
Guarded Comparative Longitudinal Heat Flow Rig to Study Gap Conductance Between Nuclear Fuel and Cladding |
| Author(s) |
Harvey Ling, Edward Obbard, Patrick Bur, Jackson Harvey, Glen Hogan |
| On-Site Speaker (Planned) |
Harvey Ling |
| Abstract Scope |
A guarded comparative longitudinal heat flow rig has been designed, constructed and operated at UNSW Sydney to study the gap conductance between different nuclear fuel and cladding combinations. The rig has produced results with gap temperatures of up to 350 ºC and gap gas pressures ranging from 1 Pa vacuum to 1.5 MPa pressure with argon as the fill gas. These measurements have provided preliminary validation for the rig’s suitability for advancing and further validating models in alternative cladding and advanced fuel combinations. The results from this rig assist in enhancing the understanding of gap conductance behavior through targeted experimentation, reducing the uncertainties in existing models of thermal conductance between nuclear fuel and cladding. Ultimately, this advancement allows for more accurate and less conservative predictions in fuel temperature during nuclear reactor operation. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Nuclear Materials, |