2017 Annual Meeting

Presentation information

Oral presentation

III. Fission Energy Engineering » 304-1 Thermal Hydraulics, Energy Conversion, Energy Transfer, Energy Storage

[1K05-08] Source term and Filtered Vent

Mon. Mar 27, 2017 2:45 PM - 3:50 PM Room K (16-306 Building No.16)

Chair: Tetsuaki Takeda (Univ. of Yamanashi)

3:30 PM - 3:45 PM

[1K08] Development of a high efficiency multi-nuclide aerosol filters for radiation protection during a process of cutting core

(3)Investigation of Capture Mechanism of Metal-Fiber Filter and Measurement of Decontamination Factor

*Tadashi Narabayashi1, Akinori Ishii1, Go Chiba1, Masanobu Sato2, Takao Masuda1 (1. Hokkaido University, 2. Tohoku University)

Keywords:cutting core debris, Fukushima Daiich NPP, aerosol filters, radiation protection

A metal fiber filter diameter is the key module of the high efficiency multi-nuclide aerosol filters for radiation protection. By changing a diameter of fibers and filling factor of metal fibers, the decontamination-factor was measured and absorption mechanism was investigated.