Boundary of the geodesic acoustic eigenmode in the vicinity of the magnetic separatrix

Nagashima Y; Itoh K; Fujisawa A; Shinohara K; Itoh SI; Ido T; Yagi M; Hoshino K; Ejiri A; Takase Y; Uehara K; Miura Y

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Boundary of the geodesic acoustic eigenmode in the vicinity of the magnetic separatrix

机译：磁分离线附近的测地声本征模的边界

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We present a detailed investigation of the geodesic acoustic eigenmode(GAEM) profile in the vicinity of the last closed flux surface (LCFS) in the JFT-2M tokamak. Envelope and spectral peak frequency of the GAEM vanish near the LCFS obtained by an equilibrium reconstitution code. Spatial changes in mean plasma gradients (the electron temperature, electron density and floating potential) are correlated with the boundary. This does not contradict that the GAEM can have a node at the LCFS. Discussions of an inverse problem and the application of this GAEM measurement to an experimental test of the LCFS location calculated by the equilibrium reconstitution code are presented.

机译：我们对JFT-2M托卡马克中最后一个封闭通量表面（LCFS）附近的测地线本征模（GAEM）轮廓进行了详细研究。 GAEM的包络和频谱峰值频率在通过平衡重构代码获得的LCFS附近消失。平均等离子体梯度的空间变化（电子温度，电子密度和浮动电势）与边界相关。这并不矛盾GAEM可以在LCFS上拥有一个节点。提出了一个反问题的讨论，以及该GAEM测量在通过平衡重构代码计算的LCFS位置的实验测试中的应用。

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来源
《Plasma physics and controlled fusion》 |2009年第6期|共10页
作者
Nagashima Y; Itoh K; Fujisawa A; Shinohara K; Itoh SI; Ido T; Yagi M; Hoshino K; Ejiri A; Takase Y; Uehara K; Miura Y;
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正文语种 eng
中图分类等离子体物理学;
关键词
ZONAL FLOWS; FLUCTUATION MEASUREMENTS; IMPROVED CONFINEMENT; MODE OSCILLATIONS; JFT-2M; TOKAMAK; PLASMAS; DISCHARGES;

机译：区域流动;波动测量;改进的约束;模式振动;JFT-2M;托卡马克;等离子;排放;

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专利

1. Boundary of the geodesic acoustic eigenmode in the vicinity of the magnetic separatrix [J] . Nagashima Y, Itoh K, Fujisawa A, Plasma physics and controlled fusion . 2009,第6期

机译：磁分离线附近的测地声本征模的边界
2. Generation of geodesic acoustic mode by nonlinear coupling of magnetic island and island-driven beta-induced Alfven eigenmode [J] . Marchenko V. S., Panwar A., Reznik S. N., Plasma physics and controlled fusion . 2017,第9期

机译：磁岛和岛屿驱动β诱导的Alfven EigenMode的非线性耦合产生测地声学模式
3. Electromagnetic effects on geodesic acoustic and beta-induced Alfven eigenmodes [J] . A.I. Smolyakov, C. Nguyen, X. Garbet Nuclear fusion . 2010,第5期

机译：电磁对测地声和β诱导的Alfven本征模式的影响
4. Perturbed vacuum magnetic field and global m= 2 components associated with geodesic acoustic modes in tokamaks [C] . C. Wahlberg, J. P. Graves EPS Conference on Plasma Physics . 2016

机译：扰动的真空磁场和全局M = 2个组件与Tokamaks中的测地声学模式相关联
5. Colliding Magnetic Flux Ropes and Quasi-Separatrix Layers in a Laboratory Plasma. [D] . Lawrence, Eric Eugene. 2010

机译：在实验室血浆中碰撞磁通绳和准偏层。
6. Effects of Changes in Acoustic and Non-Acoustic Factors on Public Health and Reactions: Follow-Up Surveys in the Vicinity of the Hanoi Noi Bai International Airport [O] . Thu Lan Nguyen, Bach Lien Trieu, Yasuhiro Hiraguri, 2020

机译：声学和非声学因素变化对公共卫生和反应的影响：河内内排国际机场附近的后续调查
7. Heavy ion beam probing – a tool to study geodesic acoustic modes and alfven eigenmodes in the T-10 tokamak and TJ-II stellarator [O] . Melnikov A.V., Krupnik L.I., Barcala J.M., 2017

机译：重离子束探测–研究T-10托卡马克和TJ-II恒星仪中测地线声模和and本征模的工具

Boundary of the geodesic acoustic eigenmode in the vicinity of the magnetic separatrix

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