Interplay between fluctuation driven toroidal axisymmetric flows and resistive ballooning mode turbulence

Seto H.; Xu X. Q.; Dudson B. D.; Yagi M.

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Interplay between fluctuation driven toroidal axisymmetric flows and resistive ballooning mode turbulence

机译：波动驱动环形轴对称流动与电阻膨胀模式湍流之间的相互作用

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An interplay between fluctuation driven toroidal axisymmetric flows (convective cell modes) and resistive ballooning mode turbulence after the pedestal collapse is numerically studied by a four-field reduced MHD model in the BOUT++ framework. The strong flow shear suppresses the radial transport of pressure filaments, and the pressure profile in the pedestal region is partially recovered. As a result, a secondary instability is quasilinearly excited, which yields a secondary collapse. The subsequent damped oscillation is also analyzed by phase diagram analysis. Published under license by AIP Publishing.

机译：在BOUT ++框架中的四场减少MHD模型在数值上研究了波动驱动环形轴对称流动（对流细胞模式）和电阻膨胀模式湍流的相互作用。强流量剪切抑制了压力丝的径向传输，并且部分地回收了基座区域中的压力分布。结果，次要不稳定性是准兴奋的，其产生二次崩溃。通过相图分析，还分析了随后的阻尼振荡。通过AIP发布在许可证下发布。

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来源
《Physics of plasmas》 |2019年第5期|共15页
作者
Seto H.; Xu X. Q.; Dudson B. D.; Yagi M.;
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作者单位

Natl Inst Quantum &

Radiol Sci &

Technol Rokkasho Aomori 0393212 Japan;

Lawrence Livermore Natl Lab Livermore CA 94550 USA;

Univ York York Plasma Inst Dept Phys York YO10 5DD N Yorkshire England;

Natl Inst Quantum &

Radiol Sci &

Technol Rokkasho Aomori 0393212 Japan;

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正文语种 eng
中图分类等离子体物理学;
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1. Interplay between fluctuation driven toroidal axisymmetric flows and resistive ballooning mode turbulence [J] . Seto H., Xu X. Q., Dudson B. D., Physics of plasmas . 2019,第5期

机译：波动驱动环形轴对称流动与电阻膨胀模式湍流之间的相互作用
2. Comparison between kinetic-ballooning-mode-driven turbulence and ion-temperature-gradient-driven turbulence [J] . S. Maeyama, A. Ishizawa, T.-H. Watanabe, Physics of plasmas . 2014,第5aPta1期

机译：动力气球驱动湍流与离子温度梯度驱动湍流的比较
3. Effect of Externally Driven Magnetic Islands on Resistive Ballooning Turbulence [J] . Seiya NISHIMURA, Masatoshi YAGI Plasma and Fusion Research . 2011,第6期

机译：外部驱动磁岛对电阻膨胀湍流的影响
4. NONLINEAR FULL TORUS CALCULATIONS OF RESISTIVE PRESSURE-GRADIENT-DRIVEN TURBULENCE AND ION-TEMPERATURE-GRADIENT-DRIVEN TURBULENCE IN TOROIDAL GEOMETRY [C] . L. Garcia, J. D. Alvarez, rnJ. N. Leboeuf, Fusion energy 1998 . 1998

机译：环形几何中电阻压梯度驱动湍流和离子温度梯度驱动湍流的非线性全圆环计算
5. Gyrokinetic particle-in-cell simulations of strong poloidal flow radial gradient and parallel nonlinearity effects on toroidal ion temperature gradient driven turbulence. [D] . Kniep, James C. 2006

机译：强极化电流径向梯度和平行非线性对环形离子温度梯度驱动的湍流的陀螺动力学粒子模拟。
6. Tokamak equilibria with non-parallel flow in a triangularity-deformed axisymmetric toroidal coordinate system [O] . Ap Kuiroukidis, G.N. Throumoulopoulos 2018

机译：三角变形轴对称环面坐标系中具有非平行流的托卡马克平衡
7. Interplay between fluctuation driven toroidal axisymmetric flows and resistive ballooning mode turbulence [O] . H. Seto, X. Q. Xu, B. D. Dudson, 2019

机译：波动驱动环形轴对称流动与电阻膨胀模式湍流之间的相互作用
8. Resistive Ballooning Modes in an Axisymmetric Toroidal Plasma with Long Mean-Free Path [R] . Connor, J. W., Chen, L. 1984

机译：具有长无平均路径的轴对称环形等离子体中的电阻气球模式

Interplay between fluctuation driven toroidal axisymmetric flows and resistive ballooning mode turbulence

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