Cyclic scenarios for steady-state operation of tokamak reactors

被引：7

作者：

Garcia, J. ^{[1
]}

Giruzzi, G. ^{[1
]}

Maget, P. ^{[1
]}

Artaud, J. F. ^{[1
]}

Basiuk, V. ^{[1
]}

Decker, J. ^{[1
]}

Huysmans, G. ^{[1
]}

Imbeaux, F. ^{[1
]}

Peysson, Y. ^{[1
]}

Schneider, M. ^{[1
]}

机构：

[1] CEA, IRFM, F-13108 St Paul Les Durance, France

来源：

NUCLEAR FUSION | 2010年 / 50卷 / 02期

关键词：

NORMAL-MODE ANALYSIS; CURRENT DRIVE; BURN CYCLES; CYCLOTRON; SIMULATIONS; TRANSPORT; STABILITY; JET;

D O I：

10.1088/0029-5515/50/2/025025

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 new concept of steady-state scenario for tokamak reactors is proposed. It is based on cyclic operations, alternating phases of positive and negative loop voltage with no magnetic flux consumption on average. Localized non-inductive current drive by electron cyclotron waves is used to trigger and sustain an internal transport barrier (ITB), whereas neutral beam current drive is used to periodically recharge the tokamak transformer. The fact of operating in cycles relaxes the hard constraint of simultaneous fusion performance maximization and full non-inductive operation, within the MHD stability limits. Integrated modelling simulations are performed to apply this concept for the ITER steady-state regime. A linear MHD analysis of the instabilities that could appear in this type of scenario is performed, showing that MHD stability would be strongly improved with respect to a steady regime with a strong ITB.

引用

页数：10

共 34 条

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