2016 Fall Meeting

Presentation information

Oral Presentation

III. Fission Energy Engineering » 301-1 Reactor Physics, Utilization of Nuclear Data, Criticality Safety

[3L10-14] Sub-criticality Evaluation and Monitoring 1

Fri. Sep 9, 2016 2:45 PM - 4:05 PM Room L (Kumume City Plaza - Assembly Room 2)

Chair: Tomohiro Endo (Nagoya Univ.)

3:45 PM - 4:00 PM

[3L14] Sub-criticality monitoring method by measuring FP gases (III)

(3)Estimated reactivity by this method and its error evaluation

*Masaya SEKI1, Yoshitaka NAITO1, Shigekazu USUDA1, Yoshihumi MITSUMOTO1 (1.NAIS.Co.,Inc.)

Keywords:accident reactor, criticality surveillance, fission product gas, fission product yield, estimated error

現在測定されているKr-88とXe-135との放射能比を用いて反応度を推定する。この推定に影響する誤差要因と推定精度を調査し、現状を未臨界と判定するための課題を整理する。