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Modeling of UO2 Behavior

#0814


Uranium Dioxide Properties/Behavior at High Burnups under Reted and Emergency Conditions Determined through Out-of-Pile Modeling

Tech Area / Field

  • FIR-FUE/Reactor Fuels and Fuel Engineering/Fission Reactors

Status
3 Approved without Funding

Registration date
23.12.1996

Leading Institute
NPO Lutch, Russia, Moscow reg., Podolsk

Supporting institutes

  • Kurchatov Research Center, Russia, Moscow

Project summary

This Project objective comprises creation a fuel, modeling the structure, chemical and phase composition of uranium dioxide with up to 100 MW day/kgU burn up, foresees to carry out out-of-pile investigations of thermal, physic-chemical and physic-mechanical parameters of uranium dioxide samples of such fuel.

A short-time irradiation of the oxide fuel samples (500 hours) is supposed with subsequent examination of a number of properties in "hot" cells.

The data to be obtained will allow a preliminary prediction to the operationability of uranium dioxide fuel elements in emergencies and spent nuclear fuel disposals.


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