Research Article

Development Considerations of AREVA NP Inc.'s Realistic LBLOCA Analysis Methodology

Table 2

Key LBLOCA phenomena identified by AREVA.

PIRT parameters

Heat transfer
Void distribution
Axial power distribution
Entrainment
Spacer effects
Break flow
Cold leg condensation
Interfacial heat transfer
Upper tie plate CCFL
Core multidimensional flow
ECCS bypass
Steam binding
Accumulator nitrogen discharge