Thermal energy transport in oxide nuclear fuel
To efficiently capture the energy of the nuclear bond, advanced nuclear reactor concepts
seek solid fuels that must withstand unprecedented temperature and radiation extremes. In …
seek solid fuels that must withstand unprecedented temperature and radiation extremes. In …
Mechanistic materials modeling for nuclear fuel performance
Fuel performance codes are critical tools for the design, certification, and safety analysis of
nuclear reactors. However, their ability to predict fuel behavior under abnormal conditions is …
nuclear reactors. However, their ability to predict fuel behavior under abnormal conditions is …
Impact of irradiation induced dislocation loops on thermal conductivity in ceramics
Experimental work aimed at understanding the role of dislocation loops in limiting phonon
mediated thermal transport in ceramics is presented. Faulted dislocation loops, having …
mediated thermal transport in ceramics is presented. Faulted dislocation loops, having …
[HTML][HTML] The influence of lattice defects, recombination, and clustering on thermal transport in single crystal thorium dioxide
Thermal transport is a key performance metric for thorium dioxide in many applications
where defect-generating radiation fields are present. An understanding of the effect of …
where defect-generating radiation fields are present. An understanding of the effect of …
Development of a multiscale thermal conductivity model for fission gas in UO2
Accurately predicting changes in the thermal conductivity of light water reactor UO 2 fuel
throughout its lifetime in reactor is an essential part of fuel performance modeling. However …
throughout its lifetime in reactor is an essential part of fuel performance modeling. However …
Multiscale modeling of thermal conductivity of high burnup structures in UO2 fuels
The high burnup structure forming at the rim region in UO 2 based nuclear fuel pellets has
interesting physical properties such as improved thermal conductivity, even though it …
interesting physical properties such as improved thermal conductivity, even though it …
Non-stoichiometry in U3Si2
SC Middleburgh, RW Grimes, EJ Lahoda… - Journal of Nuclear …, 2016 - Elsevier
Uranium silicides, in particular U 3 Si 2, are being explored as an advanced nuclear fuel
with increased accident tolerance as well as competitive economics compared to the …
with increased accident tolerance as well as competitive economics compared to the …
Molecular Dynamics Simulation of Thermal Transport in Containing Uranium, Oxygen, and Fission-product Defects
Uranium dioxide (UO 2) is the most commonly used fuel in light-water nuclear reactors and
thermal conductivity controls the removal of heat produced by fission, thereby governing fuel …
thermal conductivity controls the removal of heat produced by fission, thereby governing fuel …
[HTML][HTML] Thermal conductivity of tungsten: Effects of plasma-related structural defects from molecular-dynamics simulations
We report results on the lattice thermal conductivities of tungsten single crystals containing
nanoscale-sized pores or voids and helium (He) nanobubbles as a function of void/bubble …
nanoscale-sized pores or voids and helium (He) nanobubbles as a function of void/bubble …
Impact of small defects and dislocation loops on phonon scattering and thermal transport in ThO2
Radiation damage can significantly degrade the thermal conductivity of ThO 2 due to
enhanced phonon-defect scattering. To quantify the effect of radiation-induced defects on …
enhanced phonon-defect scattering. To quantify the effect of radiation-induced defects on …