Development of the evaluation method for the aerosol deposition amounts in the containment vessel and the reactor building, 1; Effect of surface materials on the aerosol deposition behavior

Miyahara, Naoya; Suzuki, Eriko   ; Uesawa, Shinichiro  ; Sato, Isamu*; Matsuura, Haruaki*; Hagura, Naoto*; Koshigoe, Koki*; Osaka, Masahiko  

We have started the fundamental research on detailed aerosol deposition phenomena at the walls of containment vessel and reactor building to develop a reasonable evaluation model of aerosol deposition amount which have a large influence on release amount to the environment. In this study, an aerosol deposition test onto various materials was conducted to investigate the physical and chemical phenomena related to aerosol deposition. As a result, important phenomena such as aerosol penetration into concrete pore were observed, which should be considered in the aerosol deposition model.