High plasma density lower-hybrid current drive in the FTU tokamak

被引：48

作者：

Pericoli-Ridolfini, V

Barbato, E

Cirant, S

Kroegler, H

Panaccione, L

Podda, S

Alladio, F

Angelini, B

Apicella, ML

Apruzzese, G

Bertalot, L

Bertocchi, A

Borra, M

Bracco, G

Bruschi, A

Buceti, G

Buratti, P

Cardinali, A

Centioli, C

Cesario, R

Ciattaglia, S

Cocilovo, V

Crisanti, F

De Angelis, R

De Marco, F

Esposito, B

Frigione, D

Gabellieri, L

Gatti, G

Giovannozzi, E

Gourlan, C

Granucci, G

Gravanti, F

Grolli, M

Imparato, A

Leigheb, M

Lovisetto, L

Maffia, G

Maddaluno, G

Marinucci, M

Mazzitelli, G

Micozzi, P

Mirizzi, F

Nowak, S

Orsitto, FP

Pacella, D

Panella, M

Pieroni, L

Righetti, GB

Romanelli, F

机构：

[1] Ctr Rech Frascati, ENEA Fus, EURATOM Assoc, I-00044 Frascati, Rome, Italy

[2] CNR, Ist Fis Plasma, I-20133 Milan, Italy

[3] Univ Roma Tor Vergata, Dipartimento Fis, I-00173 Rome, Italy

[4] Univ Roma Tor Vergata, INFM, I-00173 Rome, Italy

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.82.93

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Studies on the current-drive (CD) efficiency have been carried out in the FTU tokamak with 8 GHz lower-hybrid waves up to line-averaged plasma density (n) over bar(e) > 1 x 10(20) m(-3). High efficiencies, larger than 0.2 x 10(20) m(-2) A/W, are obtained for clean plasma conditions, with no significant degradation as the density is increased up to the accessibility limit. The electron temperature affects favorably the CD efficiency. Impurity influx never limits the machine operations up to the maximum coupled power of 1.7 MW. [S0031-9007(98)07877-6].

引用

页码：93 / 96

页数：4

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