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      • 미임계로 표적 빔창의 열수력 해석 및 구조해석

        송민근(Mmgeun Song),최진호(Jinho Choi),주은선(Eunsun Ju),송태영(Taeyoung Song),탁남일(Namil Tak),박원석(Wonsook Park) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.5

        The nuclear transmutation technology to incinerate the long lived radioactive nuclides and produce energy during the incineration process is believed to be one or the best solutions. HYPER(HYbrid Power Extraction Reactor)is the accelerator driven transmutation system which is being developed by KAERI(Korea Atomic Energy Research Institute). Lead-bismuth(Pb-Bi) is adopted as a coolant and Spallation target material. In this paper, we performed the thermal-hydraulic analysis of HYPER target using the commerical code FLUENT, and also calculated thermal and mechanical stress of the beam window using the commerical code ANSYS. It is found that there is an optimum value for the window diameter wld the maximum allowable beam current an be increased to 17.3 mA for the inner diameter of windows, 40 cm. Finally, the other shapes such as uniform or scanned beam were considered. The results of FLUENT calculations show that the uniform type is preferable to the other shapes of the bean in terms of the window and target cooling and the maximum window temperature is lower than that of the parabolic beam by 58 t for the beam current, 13 mA.

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