Collisional effects on coherent structures of zonal flows and turbulent transport

Itoh K; Hallatschek K; Toda S; Itoh SI; Diamond PH; Yagi M; Sanuki H

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Collisional effects on coherent structures of zonal flows and turbulent transport

机译：碰撞对纬向流和湍流传输的相干结构的影响

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The collisional effects on nonlinear coherent structures of zonal flows in a toroidal plasma are investigated. They weaken the flows and enhance turbulent transport. Expressions for the zonal flow velocity, scale length and the turbulent transport coefficients area obtained. In the limit of small collisional flow damping, the turbulent transport coefficient, remains finite. A phase diagram is obtained, which shows the parameter domain where the zonal flow has finite amplitude.

机译：研究了环形等离子体中区域流对非线性相干结构的碰撞影响。它们削弱了流量并增加了湍流。得到了区域流速，水垢长度和湍流传输系数面积的表达式。在小的碰撞流阻尼的极限下，湍流输运系数保持有限。获得一个相位图，该图显示了区域流具有有限幅度的参数域。

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《Plasma physics and controlled fusion》 |2004年第0期|共6页
作者
Itoh K; Hallatschek K; Toda S; Itoh SI; Diamond PH; Yagi M; Sanuki H;
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正文语种 eng
中图分类等离子体物理学;
关键词
DRIFT-WAVE TURBULENCE; GENERATION;

机译：波动湍流;发电;

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专利

1. Collisional effects on coherent structures of zonal flows and turbulent transport [J] . Itoh K, Hallatschek K, Toda S, Plasma physics and controlled fusion . 2004,第0期

机译：碰撞对纬向流和湍流传输的相干结构的影响
2. Effect of Collisional Zonal-Flow Damping on Flux-Driven Turbulent Transport [J] . G. L. Falchetto, M. Ottaviani Physical review letters . 2004,第2期

机译：碰撞带状流阻尼对通量驱动湍流输运的影响
3. The creation and evolution of coherent structures in plant canopy flows and their role in turbulent transport [J] . Bailey Brian N., Stoll R. Journal of Fluid Mechanics . 2016,第Null期

机译：植物冠层流中连贯结构的产生和演化及其在湍流运输中的作用
4. Quasi-coherent structures and flows in turbulent transport [C] . M Vlad, F Spineanu International Conference on Mathematical Modeling in Physical Sciences . 2017

机译：湍流运输中的准相干结构和流动
5. Extraction of Coherent Structures using Direct Numerical Simulation in 3D Turbulent Flows and Its Effects on Chemotaxis. [D] . George, Jino. 2017

机译：使用直接数值模拟在3D湍流中提取相干结构及其对趋化性的影响。
6. From coherent shocklets to giant collective incoherent shock waves in nonlocal turbulent flows [O] . G. Xu, D. Vocke, D. Faccio, -1

机译：从相干小波到非局部湍流中的巨大集体非相干激波
7. Collisional Effects on Coherent Structures of Zonal Flows and Turbulent Transport [O] . K. Itoh, S. Toda, H. Sanuki, 100

机译：碰撞对带状流和湍流传输相干结构的影响
8. Effects of Collisional Zonal Flow Damping on Turbulent Transport [R] . Diamond, P. H., Hahm, T. S., Tang, W. M., 1999

机译：碰撞带状阻尼对湍流输运的影响

Collisional effects on coherent structures of zonal flows and turbulent transport

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