NSUF 21-4237: Understanding Metallic Fuel Relocation Using Neutron Computed Tomography

This project seeks to better understand relocation behavior of fuel in severe accident scenarios through 3D volumetric analysis using neutron computed tomography (nCT). Pin Bundle Metallic Fuel Relocation (PBR) specimens were prepared at Argonne National Laboratory (ANL) and examined with X-ray radiography which, unfortunately, did not provide the necessary penetration through the depleted uranium (DU) to visualize the internal geometric condition of the test section. However, neutron imaging is likely to have the necessary penetration to provide information about the void structure of the thickest portions of the test sections. Three samples were prepared and shipped to INL’s Neutron Radiography Reactor (NRAD) for non-destructive examination using neutrons. This project will support NRAD reactor runtime, subsequent tomographic reconstruction and image analysis of these samples.

Additional Info

Field Value
Awarded Institution Idaho National Laboratory
Embargo End Date 2023-03-07
Facility Tech Lead Alina Montrose
NSUF Call FY 2021 RTE 1st Call
PI Aaron Craft
PIE Facilities Hot Fuel Examination Facility
Project Member Dr Taeil Kim, Principal Nuclear Engineer - Argonne National Laboratory
Project Member Dr. Aaron Craft, Research Scientist - Idaho National Laboratory (https://orcid.org/0000-0002-7092-3826)
Project Notes Awarded on 06/07/2021
Project Type RTE
RTE Number 4237