期刊论文

Gong, XY

英文

Fusion Engineering and Design

0920-3796

2022

176

10.1016/j.fusengdes.2022.113046

The authors would like to thank Professor B. D. Blackwell and Dr. Clive Michael at the Plasma Research Laboratory of Australian National University for helpful suggestions and comments and the Plasma Research Laboratory of Australian National University for providing the UFEM code. This work was supported by the National Natural Science Foundation of China ( Grant Nos. 12075114 ), the Natural Science Foundation of Hunan Province ( Grant Nos. 2020JJ4515 ), the Key Projects of Hunan Provincial Department of Education ( Grant Nos. 20A432, 20A439 and 20A417 ), the Opening Project of the Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment of the University of South China ( Grant Nos. 2019KFY23 and 2019KFZ10 ), the Government Sponsored Study Abroad Program of the Chinese Scholarship Council (CSC) ( Grant No. 202108430056 ), and the National MCF Energy R&D Program ( Grant Nos. 2019YFE03070000 ).

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In this paper, we present numerical simulation results that indicate that under certain conditions, a double-saddle antenna can excite helicon modes that resonate with the driving frequency in a nonuniform toroidal plasma, and m=1 and m=2 resonant standing helicon waves can separate or coexist in the toroidal plasma. The power absorption associated with the resonant standing wave is much larger than the power absorption associated with the nonresonant eigenmodes and accounts for most of the RF power deposited into the plasma. By adjusting the a...