Day 1
• Brief overview of the Training Course
• Nuclear fuel behavior under normal operation
o Fuel characteristics modification
- Geometrical
- Thermal
- Mechanical
• Approach to nuclear fuel modeling
o Set of equations
o The TRANSURANUS approach
- Main assumptions and limitations of the models
• TRANSURANUS application to fuel rod nominal operation
Day 2
• Nuclear fuel behavior under accident conditions: Loos of Coolant Accident (LOCA)
o General overview of a LOCA scenario
• Relevant phenomena occurring in LOCA scenario:
o Clad overheating, PCT and Quench
o Zr phase transformation
o Clad Oxidation
o Clad deformation (ballooning)
o Hydriding
o (Possible) clad rupture
o Fuel fragmentation
o Fuel dispersal (in case of clad rupture)
o (Transient) Fission Gas Release
• TRANSURANUS application to LOCA simulation
Day 3
• Nuclear fuel behavior under accident conditions: Reactivity Initiated Accident (RIA)
o General overview of a RIA scenario
• Relevant phenomena occurring in RIA scenario (part 1)
o Boiling occurrence (depending on the power peak)
o Clad Oxidation
o Clad overheating and PCT
o Zr phase transformation
o Clad Quench
o Hydriding
o Pellet Clad Interaction / Pellet Clad Mechanical Interaction
o (Transient) Fission Gas Release
o (Possible) clad rupture
• TRANSURANUS application to RIA simulation
Day 4
• Safety aspects and concerns connected with nuclear fuel
o Safety limits understanding and justification (from nuclear fuel perspective)
• Overview of TRANSURANUS coupling
o TH coupling for BIC derivation
• TRANSURANUS application to selected problems
o Modeling rodlet refabrication
o High burnup structure
o Ramp simulation
Day 5
• Overview of experimental programs, facilities and databases related with nuclear fuel behavior
• Sensitivity analysis by statistical method in TRANSURANUS
o Theory
o Hands-on training
• Questions and Answers, Open Issues
• Evaluation of the Training Course