沸騰水形原子炉の水力学的不安定

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書誌事項

タイトル別名
  • Hydraulic Instability in Boiling Water Reactors
  • フットウスイケイ ゲンシロ ノ スイリキガクテキ フアンテイ

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抄録

The hydraulic instability is one of the impermissible evil in the operation of BWR. And there has been no effective way preventing from it, because its mechanism is not clarified yet. The authors made many experiments with an electrically heated natural-circulation-loop, which is equipped with an electric condenser type void-meter. As a result, they conclude that the hydraulic instability is a kind of non-linear oscillation caused by the combination of the fluid kinetics in the heating section and the non-linearity of the friction loss of the two-phase flow. They also derive analytically a block diagram of the circulation loop, in which the kinetics of each section are simulated with simple linear transfer functions except the term of friction loss. The solutions, calculated by an analog computer, coinside well with the experimental results.

収録刊行物

  • 日本機械学会誌

    日本機械学会誌 65 (525), 1505-1506, 1962

    一般社団法人 日本機械学会

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