Phase-field simulations of intergranular fission gas bubble behavior in U3Si2 nuclear fuel

LK Aagesen, D Andersson, BW Beeler… - Journal of Nuclear …, 2020 - Elsevier
U 3 Si 2 is a potential accident-tolerant fuel that shows promise due to its high thermal
conductivity and higher uranium density relative to UO 2. However, its swelling and fission …

Modeling the performance of TRISO-based fully ceramic matrix (FCM) fuel in an LWR environment using BISON

D Schappel, K Terrani, JJ Powers, LL Snead… - … Engineering and Design, 2018 - Elsevier
Fully ceramic microencapsulated (FCM) fuel is a proposed fuel type for improved accident
performance in LWRs (Light Water Reactors) that involves TRISO (TRistructural-ISOtropic) …

Utilization of 3D fuel modeling capability of BISON to derive new insights in performance of advanced PWR fuel concepts

Y Deng, K Shirvan, Y Wu, G Su - Journal of Nuclear Materials, 2019 - Elsevier
The Internally and eXternally cooled Annular Fuel (IXAF) and Lightbridge's metallic Helical
Cruciform Fuel (HCF) are two innovative fuels, which could allow significant power uprate …

Phase-field simulations of fission gas bubbles in high burnup UO2 during steady-state and LOCA transient conditions

LK Aagesen, S Biswas, W Jiang, D Andersson… - Journal of Nuclear …, 2021 - Elsevier
To improve the economics of commercial light water reactors, increased understanding of
UO 2 nuclear fuel with the high burnup structure (HBS) is required in both steady-state and …

Convolutional Neural Network–Aided Temperature Field Reconstruction: An Innovative Method for Advanced Reactor Monitoring

VC Leite, E Merzari, R Ponciroli, L Ibarra - Nuclear Technology, 2023 - Taylor & Francis
In this study, the capabilities of a physics-informed convolutional neural network (CNN) for
reconstructing the temperature field from a limited set of measurements taken at the …

Roadmap for the application of ion beam technologies to the challenges of nuclear energy technologies

B Heidrich, SM Pimblott, GS Was, S Zinkle - Nuclear Instruments and …, 2019 - Elsevier
The use of ion beams to estimate materials performance for nuclear energy applications is
advancing at a rapid rate with ion irradiations having been shown to produce radiation …

A High Fidelity Multiphysics Framework for Modeling CRUD Deposition on PWR Fuel Rods.

DJ Walter - 2016 - deepblue.lib.umich.edu
Corrosion products on the fuel cladding surfaces within pressurized water reactor fuel
assemblies have had a significant impact on reactor operation. These types of deposits are …

A phase-field model for void and gas bubble superlattice formation in irradiated solids

LK Aagesen, A Jokisaari, D Schwen, C Jiang… - Computational Materials …, 2022 - Elsevier
A phase-field model to simulate the formation of both void and gas bubble superlattices is
derived from a grand potential functional, assuming 1D diffusion of self-interstitial atoms. The …

Modeling radionuclide release of TRISO bearing fuel compacts during post-irradiation annealing tests

D Schappel, K Terrani, LL Snead, BD Wirth - Nuclear Engineering and …, 2020 - Elsevier
This article presents calculated radionuclide release fractions from TRISO fuel during post-
irradiation annealing and comparison with AGR-1 irradiated TRISO compacts using the …

Toward development of a low-temperature failure envelope of cases for high-burnup RIAs under PWR operational conditions

LA Machado, K Nantes, E Merzari, L Charlot… - … Engineering and Design, 2024 - Elsevier
Abstract A Reactivity-Initiated Accident (RIA) is a design-basis accident that occurs when the
reactor loses one of its control rods. A reactivity insertion will follow such events, drastically …