2019 Annual Meeting

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Oral presentation

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

[3L08-09] ATWS

Fri. Mar 22, 2019 11:25 AM - 12:00 PM Room L (Common Education Bildg. 2 3F No.36)

Chair:Satoshi Takeda(Osaka Univ.)

11:40 AM - 11:55 AM

[3L09] Analysis and Evaluation for ATWS Event by RELAP5-3D

*Chihiro Yanagi1 (1. INSS)

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

弊社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．