Zonal flows and pattern formation

被引：57
|
作者：
Guercan, Oe D. [1 ]
Diamond, P. H. [2 ,3 ,4 ]
机构：
[1] Ecole Polytech, CNRS, LPP, F-91128 Palaiseau, France
[2] NFRI, WCI Ctr Fus Theory, Taejon, South Korea
[3] Univ Calif San Diego, CMTFO, La Jolla, CA 92093 USA
[4] Univ Calif San Diego, CASS, La Jolla, CA 92093 USA
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL | 2015年 / 48卷 / 29期
基金：
美国国家科学基金会;
关键词：
zonal flows; drift waves; plasma turbulence; geophysical fluid dynamics; staircases; CONFINEMENT BIFURCATION; TURBULENT TRANSPORT; POTENTIAL VORTICITY; THERMAL-CONVECTION; DRIFT WAVES; DYNAMICS; TOKAMAK; PARTICLE; MODE; PLASMA;
D O I：
10.1088/1751-8113/48/29/293001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The general aspects of zonal flow physics, their formation, damping and interplay with quasi two dimensional turbulence are explained in the context of magnetized plasmas and quasi-geostrophic fluids with an emphasis on formation and selection of spatial patterns. General features of zonal flows as they appear in planetary atmospheres, rotating convection experiments and fusion plasmas are reviewed. Detailed mechanisms for excitation and damping of zonal flows, and their effect on turbulence via shear decorrelation is discussed. Recent results on nonlocality and staircase formation are outlined.
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页数：64
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