| Budget Amount *help |
¥14,560,000 (Direct Cost: ¥11,200,000、Indirect Cost: ¥3,360,000)
Fiscal Year 2021: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2020: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2019: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2018: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
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| Outline of Final Research Achievements |
To understand and predict the mechanism of plasma-facing material transport in a helical-type fusion device, we have conducted both experimental and computer simulation studies using the LHD at the National Institute for Fusion Science (NIFS) and the W7-X in Germany. In the experiments, deposition layers on the first wall and divertor plates were investigated in detail. In the simulations, the three-dimensional material transport code ERO2.0 developed in Germany was applied to LHD and W7-X. Especially for LHD, a comparative study between experimental results and simulations has been conducted to understand the physical mechanism of the deposition layer formation and the source of the deposits. Significant progress has been made in enabling the prediction of plasma-facing material transport by simulation.
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