Oikawa, Toshihiro; Shimada, Michiya; Polevoi, A. R.*; Naito, Osamu; Bonoli, P. T.*; Hayashi, Nobuhiko; Kessel, C. E.*; Ozeki, Takahisa
The current drive capability of lower hybrid waves is assessed for an ITER steady state scenario using a relativistic, one-dimensional Fokker-Planck code and a toroidal ray tracing code. The present LH launcher design provides a current drive efficiency of 1.8
10
AW
m
and an off-axis profile of the driven current that is fovarable for a reversed magnetic shear configuration. Possible optimizations in the LH power spectrum are investigated. Neutral beam current drive (NBCD) is investigated with theoretical codes employing different approaches. An NBCD code employing the bounce-averaged Fokker-Planck equation to include orbit effects in a toroidal system shows a good agreement with an orbit following Monte-Carlo code.
Language |
: | English |
|---|---|---|
Journal |
: | Proceedings of 21st IAEA Fusion Energy Conference (FEC 2006) (CD-ROM) |
Volume |
: | |
Number |
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Pages |
: | 7 Pages |
Publication Year/Month |
: | 2007/03 |
Meeting title |
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Held date |
: | 2006/10 |
Location (city) |
: | Chengdu |
Location (country) |
: | China |
Paper URL |
: |
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Keywords |
: | no keyword |
Accesses |
: |
- Accesses |
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