[1B15-19] Fission Product Behavior

[1B19] Evaluation of Fission Products Released during the NPP Severe Accident

22. Validation of the analytical results on FP behavior by comaring with CAMS data

*Shunsuke Uchida¹, Hidetoshi Karasawa¹, Chiaki Kino¹, Marco Pellegrini¹, Masao Chaki¹, Masanori Naitoh¹ (1. Institute of Applied Energy )

Keywords:Fukushima 1st nuclear power plant, fission product, cesium, CAMS, dose rate

Radiation dose rate at the CAMS detector was calculated based on Cs mass distribution in PCV and S/C. The calculated dose rate at the S/C CAMS was well explained by assuming that first Ca deposited on the S/C wall and then released into the pool water along with water droplets of condensate steam.