Dependence of energy confinement time on toroidal magnetic field in the TUMAN-3M tokamak

被引：0

作者：

Lebedev, S. V. ^{[1
]}

Askinazi, L. G. ^{[1
]}

Vildjunas, M. I. ^{[1
]}

Zhubr, N. A. ^{[1
]}

Kornev, V. A. ^{[1
]}

Krikunov, S. V. ^{[1
]}

Tukachinsky, A. S. ^{[1
]}

机构：

[1] Russian Acad Sci, AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia

来源：

TECHNICAL PHYSICS LETTERS | 2012年 / 38卷 / 04期

基金：

俄罗斯基础研究基金会;

关键词：

SPHERICAL TOKAMAK; H-MODE;

D O I：

10.1134/S1063785012040098

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The influence of toroidal magnetic field on the energy confinement time tau(E) in the ohmic H-mode has been studied in the TUMAN-3M tokamak with low magnetic field. The experiments were performed at a toroidal magnetic field of (T) = 0.68-1.0 T, which is about twice as large as that (0.25-0.5 T) studied in analogous experiments on the NSTX and MAST spherical tokamaks. The results are indicative of a strong dependence of the energy confinement time on toroidal magnetic field: tau(E) ae (T) (0.75-0.8) . This scaling is much stronger than that projected for the ITER (tau(E_IPB98) ae (T) (0.15) ), while being somewhat weaker than the scalings observed on the NSTX and MAST devices. The stronger (as compared to the ITER scaling) dependence of tau(E) on (T) observed in these experiments should be taken into account in designing thermonuclear facilities with small aspect ratios and toroidal magnetic fields-in particular, fusion neutron sources.

引用

页码：320 / 323

页数：4

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