303 液/固体界面の衝撃壊食に関する研究

概要

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High power spallation targets for neutron sources are developing in the world. Mercury target will be installed at the material and life facility in J-PACK, which will promote innovative science. The moment the proton beams bombard the target, pressure waves will be generated in mercury by thermally shocked heat deposition. Provided the negative pressure generates through its propagation in the mercury target, the cavitation erosion will make damage on the interface between mercury and target vessel wall. The pressure wave is imposed to mercury by using Magnetic IMpact Testing Machine, MIMTM, to evaluate the effect of input-power and repeated-frequency on the erosion damage. Additionally, the simulation of bubble dynamics is carried out to discuss the relationship between the life time of micro-bubble and the erosion damage.
社団法人日本機械学会の論文
2003-09-19