| Budget Amount *help |
¥23,010,000 (Direct Cost: ¥17,700,000、Indirect Cost: ¥5,310,000)
Fiscal Year 2013: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2012: ¥7,150,000 (Direct Cost: ¥5,500,000、Indirect Cost: ¥1,650,000)
Fiscal Year 2011: ¥11,050,000 (Direct Cost: ¥8,500,000、Indirect Cost: ¥2,550,000)
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| Research Abstract |
Research and development of mechanical joint of high-temperature superconducting (HTS) conductor are required for a remountable HTS magnet proposed to realize a fusion reactor having high economic efficiency and maintainability. In this research, joint resistance generating mechanism was quantified based on superconductivity and contact theories, then a method of joint resistance prediction needed to investigate joint structure for a mechanical joint of a large-scale conductor. In addition, we proposed mechanical bridge and edge joints as new mechanical joints and demonstrate low joint resistance with the joints using experiments and numerical analyses. Furthermore, we discussed the optimum structural design for a remountable magnet based on structural analysis and indicated feasibility of the remountable magnet based on calculation of electric power to run a cryo-plant.
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