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Design study for beam window of ADS and development of LBE flow measurement techniques

ADSビーム窓の設計研究及び鉛ビスマス流動計測技術の開発

大林 寛生; 菅原 隆徳  ; 西原 健司

Obayashi, Hironari; Sugawara, Takanori; Nishihara, Kenji

For the feasibility of ADS, the study for the design of a beam window is important. The characteristics of the thermal-fluid behavior around the beam window with the profile of proton beam were simulated by CFD analysis. However, because of a lack of the experimental data for the validation of this numerical analysis, the estimation for the reliability of a beam window design was not enough. And the erosion of the material in the flowing LBE is also significant issue. However, the flow measurement of the general liquid metals was difficult. The flow measurement techniques for LBE flow has been developed by using UVP method. A developed system realizes the measurement of the velocity vector profiles including the information of the multiple velocity components simultaneously on time. And it was successfully applied to the actual LBE flow.

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