| Budget Amount *help |
¥15,990,000 (Direct Cost: ¥12,300,000、Indirect Cost: ¥3,690,000)
Fiscal Year 2012: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2011: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2010: ¥9,360,000 (Direct Cost: ¥7,200,000、Indirect Cost: ¥2,160,000)
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| Research Abstract |
The purpose of this research toward realization of an economic fusion reactor is to verify usefulness of the multi-pulsing Coaxial Helicity Injection (CHI) method which could maintain high β spherical tokamaks in steady state. We have demonstrated current amplification, extension of the plasma life time and increase in the ion temperature by the double-pulsing CHI on HIST. Furthermore, we have investigated self-organization of the poloidal flow shear, generation of the negative radial electric field and dynamo current drive mechanism including two fluid effects. The results are confirmed with help of 3D-MHD computational simulation.
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