Analysis of DEMO scenarios with the CRONOS suite of codes

被引：40

作者：

Garcia, J. ^{[1
]}

Giruzzi, G. ^{[1
]}

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

Basiuk, V. ^{[1
]}

Decker, J. ^{[1
]}

Imbeaux, F. ^{[1
]}

Peysson, Y. ^{[1
]}

Schneider, M. ^{[1
]}

机构：

[1] CEA Cadarache, CEA, DSM, DRFC,Assoc EURATOM, F-13108 St Paul Les Durance, France

来源：

NUCLEAR FUSION | 2008年 / 48卷 / 07期

关键词：

D O I：

10.1088/0029-5515/48/7/075007

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：

The CRONOS suite of codes and the GLF23 theory-based transport model are used to perform a 1.5D analysis of the DEMO design. The study uses plasma parameters similar to those obtained in the European Power Plant Conceptual Study in the case of a scenario with moderate inductive current, high bootstrap current fraction, relatively small major radius R = 7.5 m and minor radius a = 2.5 m and high elongation and triangularity. It is shown how it is possible to obtain a high fusion power of 2600 MW and high fusion gain Q = 26.5 by adding 98MW off-axis neutral beam at a moderately high Greenwald fraction of 1.2. A non-inductive current fraction of 88% is obtained mainly from the bootstrap current at the plasma edge, where a high pedestal of 7.8 keV has been considered in order to optimize the alpha power. It is also shown how by adding 66 MW of electron cyclotron waves to the previous scenario a 100% non-inductive current steady-state scenario can be obtained with a reversed q profile. However, in this case the fusion gain drops to 17.2 due to the higher input power. The application of LH waves is also discussed.

引用

页数：9

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