Current drive with combined electron cyclotron wave and high harmonic fast wave in tokamak plasmas

Current drive with combined electron cyclotron wave and high harmonic fast wave in tokamak plasmas
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托卡马克等离子体中电子回旋波和高次谐波快波组合的电流驱动

DOI:
10.1063/1.4971442
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发表时间:
2016-12
期刊:
影响因子:
2.2
通讯作者:
C. Y. Yin
C. Y. Yin
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
J.C.Li;X.Y.Gong;J.Q.Dong;J.Wang;N.Zhang;P.W.Zheng;C. Y. Yin

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利用GENRAY/CQL 3D软件包研究了电子回旋波(ECW)和高次谐波快波联合驱动的电流。结果表明,没有显着的协同电流被发现在一系列的情况下与组合ECW和快波(FW)。这一结果与先前的研究一致[Harvey等人,原子能机构TCM关于反应堆规模托卡马克中的快波电流驱动的论文集(与LHCD和ECRH的协同和互补),法国阿尔勒,原子能机构,维也纳,1991年]。然而,一个积极的协同效应确实出现与FW在较低的混合频率范围。这种积极的协同效应可以解释使用的ECW和一个非常高的谐波快波(螺旋)引起的电子分布函数的图片。的功率沉积,波功率,波频率,和平行折射率的径向位置上的协同效应的依赖关系也进行了分析,数值和物理。
The current driven by combined electron cyclotron wave (ECW) and high harmonic fast wave is investigated using the GENRAY/CQL3D package. It is shown that no significant synergetic current is found in a range of cases with a combined ECW and fast wave (FW). This result is consistent with a previous study [Harvey et al., in Proceedings of IAEA TCM on Fast Wave Current Drive in Reactor Scale Tokamaks (Synergy and Complimentarily with LHCD and ECRH), Arles, France, IAEA, Vienna, 1991]. However, a positive synergy effect does appear with the FW in the lower hybrid range of frequencies. This positive synergy effect can be explained using a picture of the electron distribution function induced by the ECW and a very high harmonic fast wave (helicon). The dependence of the synergy effect on the radial position of the power deposition, the wave power, the wave frequency, and the parallel refractive index is also analyzed, both numerically and physically.
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