Analysis and Evaluation for ATWS Event by RELAP5-3D (2)

Presentation information

Oral presentation

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

[1G12-15] Accident Analysis/Experiment

Wed. Sep 11, 2019 3:50 PM - 4:55 PM Room G (Common Education Bildg. 2F C22)

Chair:Kenya Takiwaki(TOSHIBA ESS)

4:20 PM - 4:35 PM

*Chihiro Yanagi¹, Michio Murase¹ (1. INSS)

Keywords:PWR, RELAP5-3D, ATWS, loss of main feed water, loss of power

弊社(INSS)で既にプラント情報がほぼ整備されているRELAP5-3Dコードを用い，原子炉停止機能喪失(ATWS, Anticipated Transient Without Scram)時の，炉心条件および解析条件の違いによるATWS緩和措置の有効性評価の差異について検討した．