[1F08-13] Fuel Debris 2

[1F10] Assessment of dust dispersion data for future safety analysis of Fukushima Daiichi fuel debris retrieval

(5) Measurement of dust dispersion data during breaking cold simulants with chisel

*Muneyuki Nakada¹, Masafumi Noujima ², Fumio Totsuka¹, Koichi Uozumi³, Taizo Kanai³, Kinya Nakamura³, Shun Kanagawa³, Kenta Inagaki³, Tadafumi Koyama, Daisuke Yamauchi⁴ (1. HGNE, 2. Hitachi, 3. CRIEPI, 4. TEPCO HD)

Keywords:Fukushima Daiichi, fuel debris retrieval, dust dispersion datauel, chisel

The dust dispersion data during breaking the cold simulates with chisel was measured.
Using impact force, tip tool shape, material property value, etc. as parameters, the relationship between these parameters and the dust dispersion rate is reported.