| Budget Amount *help |
¥18,330,000 (Direct Cost: ¥14,100,000、Indirect Cost: ¥4,230,000)
Fiscal Year 2012: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2011: ¥9,880,000 (Direct Cost: ¥7,600,000、Indirect Cost: ¥2,280,000)
Fiscal Year 2010: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
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| Research Abstract |
In order to establish new design methods of low-AC-loss superconducting coils cooled by cryocooler with high efficiency, we proposed a new low-AC-loss structure for Bi-system (Bi-2223) oxide-superconducting multifilamentary taped wires on the first stage, which are promising practical wires developed. We showed a new design method of transport AC losses generated in superconducting coils with magnetic field distribution and local AC loss properties of superconducting windings on the second stage. We also proposed advanced structures for superconducting coils with highly uniform distribution of magnetic field by means of reducing magnetic hysteresis remarkably in taped windings
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