Simulation of ion cyclotron range of frequencies heating in the proton-boron plasma of the spherical tokamak

被引：0
作者：
Ma, Hao-jie [1 ]
Xie, Hua-sheng [2 ,3 ]
Sun, Guang-lan [1 ]
Zhao, Han-yue [2 ,3 ]
Gan, Yan-biao [1 ]
机构：
[1] North China Inst Aerosp Engn, Sch Liberal Arts & Sci, Hebei Key Lab Transmedia Aerial Underwater Vehicle, Langfang 065000, Peoples R China
[2] Hebei Key Lab Compact Fus, Langfang 065001, Peoples R China
[3] ENN Sci & Technol Dev Co Ltd, Langfang 065001, Peoples R China
来源：
PLASMA PHYSICS AND CONTROLLED FUSION | 2025年 / 67卷 / 02期
基金：
中国国家自然科学基金;
关键词：
spherical tokamak; ICRF; minority ion heating; ICRF; WAVES; JET;
D O I：
10.1088/1361-6587/ada8dc
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Ion cyclotron range of frequencies (ICRF) heating is crucial in magnetic confinement fusion devices that utilize proton-boron11 (p11B) as an advanced fuel, as it requires higher ion temperatures for their reactions. This work investigates the ICRF heating characteristics of hydrogen (H) ions at the second harmonic frequency and 11B ions at the fundamental frequency in a p11B plasma within a spherical tokamak. It is found that H ions second harmonic is better than 11B ions fundamental for ion power absorption. We simulate the ICRF heating effects of the 11B fraction in plasma and the wave vector parallel to the magnetic field ( k & Vert;) of the antenna using full-wave codes and the kinetic dispersion relation solver. In second harmonic heating of H ions, the power deposition primarily occurs on the H ions themselves, and, the total power absorption will exceed 50%, up to 58%, when X[11B] > 6%. Heating the electrons is easier in the fundamental frequency heating of 11B ions scenario.
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页数：9
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