ON THE WAY TO A MULTI-FREQUENCY ECRH SYSTEM FOR ASDEX UPGRADE

被引：0

作者：

Stober, J. ^{[1
]}

Franke, Th ^{[1
]}

Gruenwald, G. ^{[1
]}

Leuterer, F. ^{[1
]}

Manini, A. ^{[1
]}

Monaco, F. ^{[1
]}

Muenich, M. ^{[1
]}

Neu, R. ^{[1
]}

Schuetz, H. ^{[1
]}

Wagner, D. ^{[1
]}

Zohm, H. ^{[1
]}

Gantenbein, G. ^{[2
]}

Heidinger, R. ^{[2
]}

Meier, A. ^{[2
]}

Thumm, M. ^{[2
]}

Kasparek, W. ^{[3
]}

Lechte, C. ^{[3
]}

Chirkov, A. V. ^{[4
]}

Denisov, G. G. ^{[4
]}

Litvak, A. ^{[4
]}

Malygin, S. A. ^{[5
]}

Myasnikov, V. E. ^{[5
]}

Nichiporenko, V. O. ^{[5
]}

Popov, L. G. ^{[5
]}

Solyanova, E. A. ^{[5
]}

Tai, E. M. ^{[5
]}

Meo, F. ^{[6
]}

Woskov, P. ^{[7
]}

机构：

[1] Max Planck Inst Plasma Phys, EURATOM Assoc, Boltzmannstr 2, D-85748 Garching, Germany

[2] Forschungszentrum Karlsruhe, EURATOM Assoc, Karlsruhe, Germany

[3] Univ Stuttgart, Inst Plasmaforsch, Stuttgart, Germany

[4] RAS, Inst Appl Sci, Nizhnii Novgorod, Russia

[5] GYCOM Ltd, Nizhnii Novgorod, Russia

[6] Tech Univ Denmark, EURATOM Assoc, Roskilde, Denmark

[7] MIT, Plasma Sci & Fusion Ctr, Cambridge, MA 02139 USA

来源：

ELECTRON CYCLOTRON EMISSION AND ELECTRON CYCLOTRON RESONANCE HEATING | 2009年

关键词：

D O I：

10.1142/9789812814647_0061

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 ECRH system for ASDEX Upgrade is currently extended by 4 multi-frequency units of I MW, 10 s each. The first unit, a two-frequency system is operational since early 2007. The contribution reports on the commissioning of this unit and on two examples of application: at 140 GHz the system is crucial for H-mode operation with the fully W-coated plasma facing components now present in ASDEX Upgrade for moderate values of density and safety-factor, to Suppress central accumulation of heavy impurities. At 105 GHz the EC-beam is used as probe for a collective Thomson scattering diagnostic, which uses the launcher of the second unit as receiver. The other 3 units shall additionally operate at intermediate frequencies, requiring alternative solutions for the windows. For the gyrotron window a Brewster-angle set-up is used successfully. At the torus a Fabry-Perot-type double-disk window is used. It has been tested successfully with low power.

引用

页码：433 / +

页数：3

共 50 条

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Franke, T. ;

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Muenich, M. ;

Schuetz, H. ;

Zohm, H. ;

Thumm, M. ;

Scherer, T. ;

Meier, A. ;

Gantenbein, G. ;

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Kasparek, W. ;

Lechte, C. ;

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Litvak, A. G. ;

Denisov, G. G. ;

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Popov, L. G. ;

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