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Chapter 1 Introduction
1£®1 Generation-IV Nuclear Reactor Systems
1£®2 Sodium-Cooled Fast Reactors
1£®2£®1 Development history and current situation of SFRs
1£®2£®2 System characteristics of SFRs
1£®3 SFR Safety Analysis and Severe Accidents
1£®4 Particle-Bed-Related Phenomena During SFR Severe Accident
1£®4£®1 Molten-poolmobility
1£®4£®2 Molten-pool sloshing motion
1£®4£®3 Debris-bed formation behavior
1£®4£®4 Debris-bed self-leveling behavior
1£®5 Summary
References

Chapter 2 Molten-Pool Mobility
2£®1 Introduction
2£®2 Theoretical Models and Methods for Molten-Pool Mobility
2£®2£®1 Multiphase flow model
2£®2£®2 Particle viscosity model
2£®2£®3 Particle jamming model
2£®3 Molten-Pool Mobility in a Liquid-Dominant Particle- Rich Pool
2£®3£®1 Experimental conditions in a liquid-dominant particle-rich pool
2£®3£®2 Simulation condition for the liquid-dominant particle-rich pool experiments
2£®3£®3 Analyses of the liquid-dominant particle-rich pool experiments and simulations
2£®4 Molten-Pool Mobility-in a Particle-Dominant Bubble Visualization Pool
2£®4£®1 Experimental condition in a particle-dominant bubble-visualization pool
2£®4£®2 Simulation condition for the particle-dominant bubble-visualization pool experiments
2£®4£®3 Analyses of the particle-dominant bubble-visualization pool experiments and simulations
2£®5 Summary
References
Chapter 3 Molten-PooI Sloshing Motion
3£®1 Introduction
3£®2 Sloshing Motion in a Pure Liquid Pool
3£®2£®1 Symmetric dam-break conditions
3£®2£®2 Asymmetric dam-break condition
3£®2£®3 Fluid-step condition
3£®2£®4 Centralized molten-fuel-fragment falling
condition
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Chapter 4 Debris Bed Formation Behavior
Chapter 5 Debris Bed Self-Leveling Behavior
Chapter 6 Conclusion and Future Prospect