SLIDE 5 5 5
Severe Accident Progression Severe Accident Progression
Phenomenological Issues & Containment Failure Mechanisms Phenomenological Issues & Containment Failure Mechanisms
Status of Containment at Onset of Core Damage Status of Containment at Onset of Core Damage
Status of RCS (pressure, …) Status of RCS (pressure, …)
Status of Containment Systems (sprays, igniters, …) Status of Containment Systems (sprays, igniters, …) Electric Power Status Electric Power Status Status of Reactor Core Cooling System Status of Reactor Core Cooling System Thermally Induced SGTR Thermally Induced SGTR Bottom Head Failure Bottom Head Failure In-Vessel Steam Explosion In-Vessel Steam Explosion Hydrogen Generation Hydrogen Generation Direct Containment Heating (DCH) Direct Containment Heating (DCH) Ex-Vessel Steam Explosion Ex-Vessel Steam Explosion Core-Concrete Interaction Core-Concrete Interaction Core Debris Coolability Core Debris Coolability Hydrogen Combustion Hydrogen Combustion Thermally Induced Hot Leg Failure Thermally Induced Hot Leg Failure Isolation Failure Isolation Failure Bypass Bypass Failure by Direct Contact with Core Debris Failure by Direct Contact with Core Debris Overpressurization Failure Overpressurization Failure Basemat Meltthrough Basemat Meltthrough
Severe Accident Recovery Actions Severe Accident Recovery Actions
Rapid Steam Pressure Rises and Missiles Rapid Steam Pressure Rises and Missiles
Plant Damage State Attributes
Phenomenological Issues
Containment Failure Mechanisms
