Tracking of individual TRISO-fueled pebbles through the application of X-ray imaging with deep metric learning

EH Kwapis, H Liu, KC Hartig - Progress in Nuclear Energy, 2021 - Elsevier
Modern pebble-bed reactor concepts utilizing TRISO-fueled pebbles use on-line continuous
refueling, where fuel pebbles are continuously circulated through the reactor core. Presently …

AGR-1 post irradiation examination final report

PA Demkowicz - 2015 - osti.gov
The post-irradiation examination (PIE) of the Advanced Gas Reactor (AGR)-1 experiment
was a multi-year, collaborative effort between Idaho National Laboratory (INL) and Oak …

SiC layer microstructure in AGR-1 and AGR-2 TRISO fuel particles and the influence of its variation on the effective diffusion of key fission products

TJ Gerczak, JD Hunn, RA Lowden, TR Allen - Journal of Nuclear Materials, 2016 - Elsevier
Tristructural isotropic (TRISO) coated particle fuel is a promising fuel form for advanced
reactor concepts such as high temperature gas-cooled reactors (HTGR) and is being …

Microstructural heterogeneity of the buffer layer of TRISO nuclear fuel particles

C Griesbach, T Gerczak, Y Zhang… - Journal of Nuclear …, 2023 - Elsevier
Tristructural isotropic (TRISO) nuclear fuel particles contain a layered spherical shell
designed to retain fission products; however, failure occurs in rare cases—commonly …

Postirradiation examination from separate effects irradiation testing of uranium nitride kernels and coated particles

JM Harp, RN Morris, CM Petrie, JR Burns… - Journal of Nuclear …, 2021 - Elsevier
An overview of postirradiation examination results for uranium nitride kernels and uranium
nitride coated particles irradiated in the High Flux Isotope Reactor are presented. This is the …

Microstructure of irradiated AGR TRISO particle buffer layers as measured by X-ray computed tomography

GW Helmreich, AK Kercher, TJ Gerczak… - Journal of Nuclear …, 2022 - Elsevier
Shrinkage of the initially low-density buffer layer in tristructural isotropic (TRISO) coated fuel
particles during irradiation is a well-known phenomenon with potential implications for …

[PDF][PDF] PIE on safety-tested AGR-1 Compact 4-2-2

JD Hunn, RN Morris, CA Baldwin, FC Montgomery… - 2015 - osti.gov
Post-irradiation examination (PIE) is being performed in support of tristructural isotropic
(TRISO) coated particle fuel development and qualification for High Temperature Gas …

AGR TRISO Fuel Fission Product Release Data Summary

JD Stempien, L Cai, PA Demkowicz - 2023 - osti.gov
Knowledge of fission product retention in and release from TRISO fuel under normal and off-
normal conditions is needed for reactor safety analyses. This is important for coated-particle …

Radial Deconsolidation and Leach-Burn-Leach of AGR-3/4 Compacts 1-3, 4-3, 10-1, and 10-2

GW Helmreich, JD Hunn, FC Montgomery, DJ Skitt - 2022 - osti.gov
The Advanced Gas Reactor (AGR) Fuel Development and Qualification Program's third and
fourth irradiation experiments (AGR-3/4), originally planned as separate tests, were …

AGR-1 Compact 5-3-1 Post-Irradiation Examination Results

P Demkowicz, J Harp, P Winston, SA Ploger - 2016 - osti.gov
The Advanced Gas Reactor (AGR) Fuel Development and Qualification Program was
established to perform the requisite research and development on tristructural isotropic …