NONLINEAR INSTABILITY MECHANISM IN 3D COLLISIONAL DRIFT-WAVE TURBULENCE

被引：57

作者：

BISKAMP, D

ZEILER, A

机构：

[1] Max Planck Institut für Plasmaphysik, EURATOM Association

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 05期

关键词：

D O I：

10.1103/PhysRevLett.74.706

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Numerical simulations of 3D collisional drift-wave turbulence reveal a behavior basically different from that found in previous 2D studies. The linear instability saturates due to energy transfer to small kz leading to the formation of convective cells. The turbulence is sustained by nonlinear transfer processes between kz=0 and kz0 modes, the latter acting as a catalyst. The system tends to relax to a nonturbulent poloidal shear flow. © 1995 The American Physical Society.

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页码：706 / 709

页数：4

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