Turbulence in space plasmas: Who needs it?

被引:50
|
作者
Matthaeus, W. H. [1 ,2 ]
机构
[1] Univ Delaware, Dept Phys & Astron, Newark, DC 19716 USA
[2] Univ Delaware, Bartol Res Inst, Newark, DC 19716 USA
关键词
EXTENDED SELF-SIMILARITY; KARMAN-HOWARTH EQUATION; SOLAR-WIND TURBULENCE; SMALL-SCALE STRUCTURE; MAGNETOHYDRODYNAMIC TURBULENCE; ENERGY-TRANSFER; MAGNETIC-FIELD; MHD TURBULENCE; ALFVEN WAVES; NONLOCAL INTERACTIONS;
D O I
10.1063/5.0041540
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
The complex nonlinear dynamical phenomenon described as turbulence, is known to have a great impact on fluids, magnetohydrodynamic systems, and on plasmas. This paper reviews selected topics on turbulence in these systems, emphasizing the multiscale space-time properties of the turbulence cascade as it transfers energy from large scale reservoirs, through the inertial range, finally dissipating at kinetic scales and producing internal or thermal energy. Application to space and astrophysical plasmas is a pervasive theme. This paper is based on the Maxwell Prize address given at the 2019 American Physical Society Division of Plasma Physics meeting in Fort Lauderdale.
引用
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页数:23
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