Gyrokinetic simulation of isotope effects in tokamak plasmas

被引：28

作者：

Lee, WW ^{[1
]}

Santoro, RA ^{[1
]}

机构：

[1] UNIV CALIF IRVINE, DEPT PHYS, IRVINE, CA 92717 USA

来源：

PHYSICS OF PLASMAS | 1997年 / 4卷 / 01期

关键词：

D O I：

10.1063/1.872128

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：

A three-dimensional (3-D) global gyrokinetic particle code in toroidal geometry has been used for investigating the transport properties of ion temperature gradient (ITG) drift instabilities in tokamak plasmas. Using the isotopes of hydrogen (H+), deuterium (D+) and tritium (T+), it is found that, under otherwise identical conditions, there exists a trend for favorable isotope scaling for the ion thermal diffusivity, i.e., chi(i) decreases with mass. Such a trend, which exists both at the saturation of the instability and also at the fully nonlinear stage, can be understood from the resulting wave number and frequency spectra. (C) 1997 American Institute of Physics.

引用

页码：169 / 173

页数：5

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