2019 Fall Meeting

Presentation information

Oral presentation

IV. Nuclear Plant Technologies » 402-1 Nuclear Safety Engineering (Safety Design, Safety Assessment/Analysis, Management)

[1G08-11] RIA

Wed. Sep 11, 2019 2:45 PM - 3:50 PM Room G (Common Education Bildg. 2F C22)

Chair:Ayako Ono(JAEA)

3:00 PM - 3:15 PM

[1G09] A Study on The Boiling Transition in RIAs (Hot Standby RIA)

(6)Transient critical heat flux with 3 x 3 bundle heated rapidly at high pressure

*Takahiro Arai1, Masahiro Furuya1, Kenetsu Shirakawa1, Atsushi Ui1, Riichiro Okawa1, Yuichi Sago2, Kenichi Harada2 (1. CRIEPI, 2. CHUBU Electric Power)

Keywords:Hot Standby RIA, Transient Critical Heat Flux, 3×3 Rod Bundle, Rod Temperature, Boiling Transition

RIA時の過渡限界熱流束相関式を導出するため,高圧条件下で急速に直接通電加熱される3×3バンドル急速発熱させる実験を行った。高圧での過渡限界熱流束が明瞭に定義できること明らかにし、圧力及び入口流速が過渡限界熱流束に及ぼす影響を把握した。