Effects of collisional zonal flow damping on turbulent transport

Z. Lin; T. S. Hahm; W. W. Lee; W. M. Tang; P. H. Diamond

doi:10.1103/PhysRevLett.83.3645

Effects of collisional zonal flow damping on turbulent transport

Z. Lin
, T. S. Hahm
, W. W. Lee
, W. M. Tang
, P. H. Diamond

PPPL Computational Science

Research output: Contribution to journal › Article › peer-review

252 Scopus citations

Abstract

Results from 3D global gyrokinetic particle simulations of ion-temperature-gradient driven microturbulence in a toroidal plasma show that the ion thermal transport level in the interior region exhibits significant dependence on the ion-ion collision frequency even in regimes where the instabilities are collisionless. This is identified as arising from the Coulomb collisional damping of turbulence-generated zonal flows.

Original language	English (US)
Pages (from-to)	3645-3648
Number of pages	4
Journal	Physical review letters
Volume	83
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.83.3645
State	Published - Jan 1 1999

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.83.3645

Cite this

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title = "Effects of collisional zonal flow damping on turbulent transport",

abstract = "Results from 3D global gyrokinetic particle simulations of ion-temperature-gradient driven microturbulence in a toroidal plasma show that the ion thermal transport level in the interior region exhibits significant dependence on the ion-ion collision frequency even in regimes where the instabilities are collisionless. This is identified as arising from the Coulomb collisional damping of turbulence-generated zonal flows.",

author = "Z. Lin and Hahm, \{T. S.\} and Lee, \{W. W.\} and Tang, \{W. M.\} and Diamond, \{P. H.\}",

year = "1999",

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AU - Lin, Z.

AU - Hahm, T. S.

AU - Lee, W. W.

AU - Tang, W. M.

AU - Diamond, P. H.

PY - 1999/1/1

Y1 - 1999/1/1

N2 - Results from 3D global gyrokinetic particle simulations of ion-temperature-gradient driven microturbulence in a toroidal plasma show that the ion thermal transport level in the interior region exhibits significant dependence on the ion-ion collision frequency even in regimes where the instabilities are collisionless. This is identified as arising from the Coulomb collisional damping of turbulence-generated zonal flows.

AB - Results from 3D global gyrokinetic particle simulations of ion-temperature-gradient driven microturbulence in a toroidal plasma show that the ion thermal transport level in the interior region exhibits significant dependence on the ion-ion collision frequency even in regimes where the instabilities are collisionless. This is identified as arising from the Coulomb collisional damping of turbulence-generated zonal flows.

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UR - https://www.scopus.com/pages/publications/0000237345#tab=citedBy

U2 - 10.1103/PhysRevLett.83.3645

DO - 10.1103/PhysRevLett.83.3645

M3 - Article

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VL - 83

SP - 3645

EP - 3648

JO - Physical review letters

JF - Physical review letters

IS - 18

ER -

Effects of collisional zonal flow damping on turbulent transport

Abstract

All Science Journal Classification (ASJC) codes

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