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Prospects for EBW Heating and Current Drive on Spherical Tori
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SYSNO ASEP 0360969 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Prospects for EBW Heating and Current Drive on Spherical Tori Author(s) Urban, Jakub (UFP-V) RID
Preinhaelter, Josef (UFP-V) RID
Decker, J. (FR)
Peysson, Y. (FR)
Taylor, G. (US)
Vahala, L. (US)
Vahala, G. (US)Source Title Electron Cyclotron Emission and Electron Cyclotron Resonance Heating (EC-16):Proceedings of the 16th Joint Workshop. - Toh Tuck Link : World Scientific, 2011 - ISBN 978-981-4340-26-7 Pages s. 257-262 Number of pages 6 s. Publication form CD-ROM - CD-ROM Action Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating/16th./ Event date 12.04.2010-15.04.2010 VEvent location Sanya Country CN - China Event type WRD Language eng - English Country SG - Singapore Keywords Tokamak ; Spherical tokamak ; Current drive ; Heating ; EBW ; ECRH Subject RIV BL - Plasma and Gas Discharge Physics R&D Projects 7G10072 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LA08048 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GA202/08/0419 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20430508 - UFP-V (2005-2011) UT WOS 000394555300035 Annotation The electrostatic electron Bernstein wave (EBW) can provide localised on- and off-axis heating and current drive in typically overdense (high-β) spherical tori (ST) where the usual electromagnetic EC modes are cut-off. Hence, the EBW is a candidate for plasma control and stabilisation in such devices. We present here a modelling of EBW heating and current drive in realistic ST conditions, particularly in typical NSTX equilibria and in model equilibria for NHTX and MAST Upgrade. The EBW injection parameters are varied in order to find optimized scenarios and possible ways to control the deposition location and the driven current. It is shown that EBWs can be deposited and efficiently drive current at any radial location. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2012
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