2020 Annual Meeting

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Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 501-2 Nuclear Fuel and the Irradiation Behavior

[2A04-07] Irradiation Behavior of Fuel Pellets and Claddings

Tue. Mar 17, 2020 10:50 AM - 11:55 AM Room A (Lecture Bildg. L 1F L-4)

Chair:Ken Kurosaki(Kyoto Univ.)

11:05 AM - 11:20 AM

[2A05] Irradiation behavior evaluation of annular pellet pins for fast reactor

*Keisuke Yokoyama1, Tomoyuki Uwaba1 (1. JAEA)

Keywords:Fast reactor, Annular pellet pins, Irradiation behavior, gamma scanning, Measured diameter strain, Cs migration behavior, Cladding diameter strain behavior

日米共同研究で照射を行った中実・中空MOX燃料ピンの照射挙動を計算コードで解析し、照射後試験結果との比較により、中空燃料ピンの被覆管外径変化挙動及びCsのピン内軸方向移動挙動を評価した。