| Budget Amount *help |
¥16,380,000 (Direct Cost: ¥12,600,000、Indirect Cost: ¥3,780,000)
Fiscal Year 2022: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2019: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2018: ¥7,020,000 (Direct Cost: ¥5,400,000、Indirect Cost: ¥1,620,000)
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| Outline of Final Research Achievements |
Although many theoretical studies and large-scale numerical simulations have been performed for impurity transport, it is not clear how impurities transpor and accumulate in the plasma core. The mechanisms of impurity accumulation and shielding, which are often observed in experiments and depend on the magnetic field structure, are also not clear. In this study, we developed an innovative scheme to iteratively solve the impurity transport by integrating an extended MHD code considering impurity distribution and a local transport code based on gyrokinetic theory and neoclassical transport theory. In addition, we developed a radiation measurement device that can consider impurity distribution in two dimensions, and verified it experimentally.
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