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Na冷却高速炉における大口径配管の流力振動評価に関する研究,43; コールドレグ1/7縮尺流動試験装置を用いた3段エルボ配管内流れの圧力変動特性

Study on flow-induced vibration evaluation of large-diameter pipings in a sodium-cooled fast reactor, 43; Pressure fluctuation characteristic of turbulent flow in a triple-elbow piping by using a 1/7-scale model of the cold-leg piping

高村 宏行*; 江原 真司*; 橋爪 秀利*; 山野 秀将   

Takamura, Hiroyuki*; Ebara, Shinji*; Hashizume, Hidetoshi*; Yamano, Hidemasa

本研究では、これまで未実施であった3段エルボ体系において圧力計測実験を行い、これまでの知見も踏まえコールドレグ配管内の圧力変動特性の評価を行う。

In this study, pressure fluctuation experiment in three elbow system, which has never been done, was implemented to evaluate pressure fluctuation behavior in cold leg piping based on the knowledge already obtained.

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