Modification of current profile, toroidal rotation and pedestal by lower hybrid waves in Alcator C-Mod
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Recent results from the lower hybrid current drive experiments on Alcator C-Mod are presented. These include i) MSE measurements of broadened LHCD current profiles; ii) development of counter rotation comparable to the rate of injected wave momentum; iii) modification of pedestals and rotation in H-mode; and iv) development of a new FEM-based code that models LH wave propagation from the RF source to absorption in the plasma. An improved antenna concept that will be used in the upcoming C-Mod campaigns is also briefly described.
Date issued
2009-11Department
Massachusetts Institute of Technology. Plasma Science and Fusion CenterJournal
AIP Conference Proceedings
Publisher
American Institute of Physics
Citation
Parker, R. et al. “Modification of Current Profile, Toroidal Rotation and Pedestal by Lower Hybrid Waves in Alcator C-Mod.” Gent (Belgium), 2009. 319-326. ©2009 American Institute of Physics
Version: Final published version
ISSN
0094-243X
1551-7616