2016 Annual Meeting

Presentation information

Oral Presentation

IV. Nuclear Fuel Cycle and Nuclear Materials » 401-1. Basic Properties

[3G10-13] Measure for failure of containment vessel

Mon. Mar 28, 2016 2:45 PM - 3:55 PM Room G (Lecture Rooms B B203)

Chair: Tsuyoshi Nishi (Ibaraki University)

3:00 PM - 3:15 PM

[3G11] Development of Estimation Technology for Availability of Measure for Failure of Containment vessel in Sodium Cooled Fast Reactor

(8)Estimation of phase equilibrium state of fuel debris under sodium by thermodynamic calculation

*Ikuo Yamamoto1, Masayoshi Uno1, Shinya Miyahara2, Munemichi Kawaguchi2 (1.University of Fukui, 2.JAEA)

Keywords:FBR, melt through, sodium, concrete, thermodynamic calculation

ナトリウム存在下のデブリの相状態について、熱力学計算による評価及び反応モデルの構築を行っている。本報では、Thermo-Calcを用いた熱力学計算により、ナトリウムウラネート系で生成する化合物を予測した。