[2K14-16] Light Water Reactor Behavior Under Accident Conditions

[2K16] Analysis of MCCI phenomena by MELCOR and SAMPSON

(3)Study on Heat Banance of Fuel Debris in Wet Cavity

*Masashi Himi¹, Hidetoshi Morita¹, Koetsu Ito¹, Yoshihiro Ide¹, Koichi Nakamura² (1. Advancesoft co., 2. CRIEPI)

Keywords:severe accident, corium-concrete interaction, heat balance, core debris

We examine how the temperature of the fuel debris falling into the wet cavity varies depending on the heat balance of decay heat, oxidation reaction heat, thermal radiation and heat transfer due to cooling water.