[1F08-13] Fuel Debris 2

[1F08] Assessment of dust dispersion data for future safety analysis of Fukushima Daiichi fuel debris retrieval

(3) Development of precise measurement of dust dispersion behavior and methodology to derive airborne release fraction during cutting fuel debris

*TAIZO KANAI¹, Tadafumi Koyama¹, Kenta Inagaki¹, Koichi Uozumi¹, Kinya Nakamura¹, Shun Kanagawa¹, Tetsuya Kato¹, Daisuke Yamauchi², Kazutaka Mogi², Yuichi Iwata² (1. CRIEPI, 2. TEPCO HD)

Keywords:Fukushima Daiichi, Fuel debris retrieval , Dust dispersion, Aerosol

A method for evaluating the dispersion amount and particle size distribution of cutting dust generated in the decommissioning process was established, and the experimental data on the scattering dust was organized.