期刊
PHYSICS OF PLASMAS
卷 27, 期 8, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0015226
关键词
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资金
- EAST diagnostics group
- National Natural Science Foundation of China [11805096, 11575239, 11675073]
- National Magnetic Confinement Fusion Program of China [2018YFE0311300]
- Excellent youth project of Hunan Provincial Department of Education [19B83]
- Opening Project of Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment
- University of South China [2019KFZ10]
- Hengyang Key Laboratory Project [2018KJ108]
- Hunan Province Education Office [17B224]
- Hunan Nuclear Fusion International Science and Technology Innovation Cooperation Base [2018WK4009]
Heating with the wave in the ion cyclotron range of frequencies (ICRF) has been used in the development of high-performance H-mode operations in EAST. A different ion cyclotron resonance heating scenario in three-ion component plasma with real experimental parameters on EAST was investigated using a numerical tool. Excellent radio frequency wave absorption was found with an extremely low He-3 concentration (0.1%-0.4%) in D-H-(He-3) plasma, by adjusting the plasma composition appropriately in our simulation. In this case, the He-3 fundamental resonance layer is located between the two ion-ion hybrid resonance-cutoff pairs in close proximity, and therefore E + of the wave was considerably enhanced near the He-3 fundamental resonance layer. The minority He-3 tail was estimated to be superenergetic (similar to 1MeV) because of the high power carried by each resonant He-3 ion. The potential of the three-ion ICRF heating means on EAST was shown, and the scenarios investigated are particularly promising for fast particle generation schemes.
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