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 …

Burnable absorbers can benefit nuclear reactors of virtually any design by providing
reactivity control for extended fuel cycles, tritium production, burning of long-lived …

Bridging lower length-scale calculations with the engineering-scale simulations of fuel
performance codes requires the development of dedicated intermediate-scale codes. In this …

TRANSURANUS is a computer program for the thermal and mechanical analysis of fuel rods
irradiated in nuclear reactors. It was originally developed at the Institute for Transuranium …

Among the applications of the multiscale modelling approach in nuclear fuel rod
performance, the coupling of integral thermo-mechanical fuel performance codes with lower …

Fission gas release within uranium dioxide nuclear fuel occurs as gas atoms diffuse through
grains and arrive at grain boundary (GB) bubbles; these GB bubbles grow and interconnect …

Studies on high burnup UO 2 subjected to loss-of-coolant accident conditions have shown
that restructured regions of the fuel are susceptible to pulverization and eventual dispersal …

A phase-field model of fission gas bubble evolution was developed and applied to gain an
improved understanding of the microstructure-level processes leading to fission gas release …

The influence of helium pressure on the mechanisms of diffusion of the He-filled
nanobubbles in fcc Al is investigated by the classical molecular dynamics. It is shown that at …

Uranium nitride is a material of considerable fundamental interest and is a promising
candidate for an advanced nuclear fuel. We here study intrinsic point defects and …