論文

2009年

Development of the 4S and related technologies (7) summary of the FCA XXIII experiment analyses towards evaluation of prediction accuracies for the 4S core characteristics

International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009
  • Nobuyuki Ueda
  • ,
  • Masahiro Fukushima
  • ,
  • Shigeaki Okajima
  • ,
  • Toshikazu Takeda
  • ,
  • Takanori Kitada
  • ,
  • Yasushi Nauchi
  • ,
  • Izumi Kinoshita
  • ,
  • Tetsuo Matsumura

1
開始ページ
571
終了ページ
579
記述言語
掲載種別
研究論文(国際会議プロシーディングス)

A series of critical experiments were carried out in the JAEA fast critical facility (FCA) named FCA XXIII cores with placing emphases on the reflector reactivity worth and the sodium void reactivity which are especially important from the view point of safety features of the 4S. The analyses of those physics mockup experiments have been carried out by the neutron transport calculation methods with continuous energy Monte Carlo code MVP and 70 energy-group discrete ordinate P0-S8 transport code DANTSYS using libraries processed from JENDL-3.3 data file. The results showed that combination of the stochastic and deterministic transport calculation methods (Monte Carlo and Sn ) provided good prediction bases for criticality, reflector worth, sodium void reactivity, reaction rate ratios and absorber reactivity worth for the 4S nuclear design.

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