[3E04-07] Irradiation behavior analysis

[3E04] Gd-doped fuel behavior analysis modifying densification model and taking account of power change during low burnup

*Koichi Ota¹, Takanori Kameyama² (1. Course of Applied Science, Graduate School of Engineering, Tokai University, 2. Tokai University)

Keywords:Gd-doped fuel, densification, Halden reactor, FEMAXI-8, MVP-BURN

Gd添加燃料の照射データを基に、焼しまりモデルの改良及び燃料ペレット内の径方向出力分布の追加により燃焼初期のGd添加燃料のふるまい解析の精度を向上した。