An improved correlation for gas release from nitride fuels
Janne Wallenius
Abstract
An improved correlation for gas release from nitride fuels is elaborated. Introducing empirical activation energies for migration of fission gases in presence of solid fission products and oxide impurities, it becomes possible to better reproduce existing experimental data sets for gas release in sodium and helium bonded rods. The suggested approach may assist in resolving the previously poorly understood dispersion in measured gas release for identical irradiation conditions.
Topics & Concepts
FissionImpurityNitrideHeliumHelium gasOxideMaterials scienceFission productsRadiochemistrySodium-cooled fast reactorDispersion (optics)RodChemistryChemical engineeringNuclear engineeringNuclear physicsNanotechnologyNuclear chemistryPhysicsOrganic chemistryNeutronMetallurgyEngineeringLayer (electronics)Alternative medicineOpticsPathologyMedicineNuclear Materials and PropertiesNuclear reactor physics and engineeringFusion materials and technologies