Fission gas release from UO2 nuclear fuel: A review
Gaseous fission product generation, transport, and release can have a large impact on
nuclear fuel performance, degrading fuel and fuel–cladding gap properties. Over the past …
nuclear fuel performance, degrading fuel and fuel–cladding gap properties. Over the past …
Modeling and simulation of nuclear fuel materials
R Devanathan, L Van Brutzel, A Chartier… - Energy & …, 2010 - pubs.rsc.org
We review the state of modeling and simulation of nuclear fuels with emphasis on the most
widely used nuclear fuel, UO2. The hierarchical scheme presented represents a science …
widely used nuclear fuel, UO2. The hierarchical scheme presented represents a science …
U and Xe transport in UO: Density functional theory calculations
The detrimental effects of the fission gas Xe on the performance of oxide nuclear fuels are
well known. However, less well known are the mechanisms that govern fission gas …
well known. However, less well known are the mechanisms that govern fission gas …
Interplay of defect cluster and the stability of xenon in uranium dioxide from density functional calculations
Self-defect clusters in bulk matrix might affect the thermodynamic behavior of fission gases
in nuclear fuel such as uranium dioxide. With first-principles local spin-density …
in nuclear fuel such as uranium dioxide. With first-principles local spin-density …
Development of Xe and Kr empirical potentials for CeO2, ThO2, UO2 and PuO2, combining DFT with high temperature MD
The development of embedded atom method (EAM) many-body potentials for actinide
oxides and associated mixed oxide (MOX) systems has motivated the development of a …
oxides and associated mixed oxide (MOX) systems has motivated the development of a …
An improved xenon equation of state for nanobubbles in UO2
To understand the thermodynamic behavior of xenon (Xe) bubbles in uranium dioxide (UO
2), the pressure of Xe nanobubbles as a function of temperature was systematically …
2), the pressure of Xe nanobubbles as a function of temperature was systematically …
Molecular dynamics study of Xe bubble re-solution in UO2
K Govers, CL Bishop, DC Parfitt, SE Lemehov… - Journal of Nuclear …, 2012 - Elsevier
In-pile diffusion of fission gas is generally modeled through an effective diffusion coefficient
that must take into account various phenomena occurring at the grain scale. One of these …
that must take into account various phenomena occurring at the grain scale. One of these …
Segregation of xenon to dislocations and grain boundaries in uranium dioxide
It is well known that Xe, being insoluble in UO 2, segregates to dislocations and grain
boundaries (GBs), where bubbles may form resulting in fuel swelling. Less well known is …
boundaries (GBs), where bubbles may form resulting in fuel swelling. Less well known is …
Development of the advanced mechanistic fuel performance and safety code using the multi-scale approach
The SFPR code designed for mechanistic modeling of single fuel rod behavior under
various regimes of LWR reactor operation (normal and off-normal, including severe …
various regimes of LWR reactor operation (normal and off-normal, including severe …
Molecular dynamics study of fission gas bubble nucleation in UO2
Molecular dynamics (MD) simulations are used to study helium and xenon gas bubble
nucleation in UO 2. For helium bubbles, the pressure release mechanism is by creating …
nucleation in UO 2. For helium bubbles, the pressure release mechanism is by creating …