FusionPapers
図版検索トレンドwiki日本の研究
© 2026 FUSIONPAPERS
About法務情報
トップに戻る

Kinetic effects of thermal ions and energetic particles on discrete kinetic BAE mode generation and symmetry breaking

Z.X. Lu, X. Wang, Ph. Lauber, F. Zonca2018年被引用 13Nuclear FusionIF 3出版社

The kinetic effects of both thermal ions and energetic particles (EPs) on global Alfvén mode generation and structure symmetry breaking are important for the understanding of resonant excitation and EP transport in tokamak plasmas. In this work, the formulation for the study of the beta induced Alfvén eigenmode (BAE) driven by EPs is derived for weakly coupled poloidal harmonics with finite Larmor radius (FLR) and finite orbit width (FOW). Agreement between the theoretical model and corresponding XHMGC simulations is demonstrated. It is shown that including FLR and FOW can lead to the global mode structure broadening. The non-perturbative effects of the energetic particles on global mode structure symmetry breaking is demonstrated. In particular, when the energetic particle drive shifts away from the mode rational surface, volume averaged parallel and radial wave numbers are generated in the plasma as a demonstration of EPs' role on mode structure symmetry breaking. The connection of the mode structure symmetry breaking with experimental observations using ECEI and with particle/momentum transport are discussed.

日本語訳

熱イオンと高エネルギー粒子(EPs)の両方の運動論的効果は、トカマクプラズマにおける大域的アルヴェンモードの生成と構造対称性の破れの理解にとって重要である。本研究では、EPsによって駆動されるベータ誘起アルヴェン固有モード(BAE)を研究するための定式化が、有限ラーモア半径(FLR)と有限軌道幅(FOW)を持つ弱結合ポロイダル高調波に対して導出される。理論モデルと対応するXHMGCシミュレーションとの間の一致が実証される。FLRとFOWを含めることが大域的モード構造の広がりをもたらすことが示される。高エネルギー粒子の非摂動効果が大域的モード構造の対称性破れに及ぼす影響が実証される。特に、高エネルギー粒子駆動がモード有理面からずれるとき、体積平均された平行および径方向波数がプラズマ中に生成され、モード構造の対称性破れにおけるEPsの役割の実証となる。モード構造の対称性破れと、ECEIを用いた実験観測および粒子/運動量輸送との関連が議論される。

wiki

Energetic particles
この論文にはまだAI要約がありません。

関連論文

Theoretical studies and simulations of mode structure symmetry breaking in tokamak plasmas in the presence of energetic particles

2019Plasma Physics and Controlled Fusion

Effects of the non-perturbative mode structure on energetic particle transport

2020Nuclear Fusion

Particle simulation of energetic particle driven Alfvén modes in NBI heated DIII-D experiments

2009Nuclear Fusion

Global theory of beta-induced Alfvén eigenmode excited by trapped energetic electrons

2021Nuclear Fusion

Global simulations of kinetic-magnetohydrodynamic processes with energetic electrons in tokamak plasmas

2024Nuclear Fusion

Simulation of Alfven-wave-resonant-particle interaction

1995Nuclear Fusion

Finite orbit width stabilizing effect on toroidal Alfvén eigenmodes excited by passing and trapped energetic ions

1996Plasma Physics and Controlled Fusion

Special section containing papers presented at the 13th IAEA Technical Meeting on Energetic Particles in Magnetic Confinement Systems (Beijing, China, 17–20 September 2013)

2014Nuclear Fusion

Simulation study of particle transport by weakly coherent mode in the Alcator C-Mod tokamak

2022Nuclear Fusion

Experimental investigation of the radial structure of energetic particle driven modes

2016Nuclear Fusion