| Issue |
EPJ Web of Conferences
Volume 32, 2012
EC-17 – 17th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating
|
|
|---|---|---|
| Article Number | 02010 | |
| Number of page(s) | 6 | |
| Section | ECRH and ECCD session | |
| DOI | https://doi.org/10.1051/epjconf/20123202010 | |
| Published online | 06 September 2012 | |
https://doi.org/10.1051/epjconf/20123202010
Applications of ECH on the DIII-D tokamak and projections for future ECH upgrades
1 General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
2 Lawrence Livermore National Laboratory, Livermore, California 94550, USA
3 Princeton Plasma Physics Laboratory, Princeton, New Jersey 08540, USA
4 Columbia University, New York, New York 10027, USA
Electron Cyclotron Heating and Current Drive plays an important role in the DIII-D program. In high performance discharges EC power contributes greatly to MHD stability, and this is particularly important for discharges with low rotational torque applied, as will be the case for ITER. Off-axis EC current drive also plays a key role in the actualization of steady-state scenarios by supporting the desired current profile. In order to carry out these applications at higher beta and higher field, an upgrade of the EC power to 15 MW is needed, and the best gyrotron frequency for the DIII-D program is 117.5 GHz.
© Owned by the authors, published by EDP Sciences 2012
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