[3B09-13] Light Water Reactor Safety Assessment

[3B10] Flood propagation analysis for internal flood PRA by using Apros code

(1)Development of flood propagation analysis models

*Tomomichi Itoh¹, Yoshikane Hamaguchi¹, Tamio Koriyama¹ (1. Regulatory Standard and Research Department, Secretariat of Nuclear Regulation Authority(S/NRA/R))

Keywords:Probabilistic risk assessment, Apros, Internal flood, Flood propagation analysis

The flood propagation of internal flood PRA has been considered that water propagates uniformly in the buildings. We have developed the flood propagation analysis models to develop better method of the propagation analysis by using Apros which can be considered steam propagation.