Supersonic gas injection on Tore Supra

被引：49
|
作者：
Pégourié, B [1 ]
Tsitrone, E
Dejarnac, R
Bucalossi, J
Martin, G
Gunn, J
Frigione, D
Reiter, D
Ghendrih, P
Clément, C
机构：
[1] CEA Fus Controlee, Ctr Etude Cadarache, EURATOM Assoc, F-13108 St Paul Les Durance, France
[2] ENEA, Ctr Ric, I-00044 Frascati, Italy
[3] EURATOM, Inst Plasma Phys, Julich, Germany
来源：
JOURNAL OF NUCLEAR MATERIALS | 2003年 / 313卷
关键词：
plasma fueling; supersonic gas injection; particle diffusion; recylcing; Tore Supra;
D O I：
10.1016/S0022-3115(02)01462-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A fueling system by supersonic pulsed gas injection has been installed on the high field side of Tore Supra. First results are encouraging, demonstrating a fueling efficiency four times higher than that of conventional gas puff. One-dimensional modeling shows that the increase of efficiency is linked to the short injection time and to the prompt cooling of the plasma edge consecutive to the massive injection of matter. Improvements of the system could lead to the formation of a high-P blob which could experience a drift down the magnetic field, analogously to pellet injection, thus further increasing the fueling efficiency of the method. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：539 / 542
页数：4
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