We propose a new model for burst fission gas release induced by microcracking in ceramic
nuclear fuels such as uranium dioxide. The model stipulates that the densities of defects in …

Recent observations on experimental low-temperature swelling of irradiated uranium
suicide dispersion fuels have indicated that the growth of fission-gas bubbles appears to be …

The description of intra-granular fission gas behavior during irradiation is a fundamental part
of models used for the calculation of fission gas release and gaseous swelling in nuclear …

Observations on low-temperature swelling of irradiated uranium silicide dispersion fuels
have shown that the growth of fission-gas bubbles is strongly affected by fission rate. The …

The code UCSWELL was developed to simulate fission gas behavior in carbide fuels. In the
present work, one of the limiting assumptions in UCSWELL-that matrix gas bubbles are in …

A model has been developed to investigate the response of fission gas bubbles to the
dynamic behavior of uranium point defects in uranium oxide. Simple thermodynamics is …

Fission gas behavior and fuel swelling have always been an important issue for nitride fuels.
In this paper, a mechanistic fission gas behavior model of nitride fuels has been established …

A model for the non-equilibrium behavior of intragranular fission gas in uranium oxide fuel is
developed to study the fundamental phenomena that determine fission gas effects. The …

Characteristics of solid fuel fragmentation and energetic spallation during hypothetical
accident transients are calculated. Fission gas, having migrated to the grain boundaries as …

To analyze fission gas release and gaseous swelling in UO2 fuel, a model has been
developed that can be used under both steady-state and transient operating conditions up to …