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Electron Cyclotron Wave Experiments at the WEGA Stellarator
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SYSNO ASEP 0335793 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Electron Cyclotron Wave Experiments at the WEGA Stellarator Title Experimenty s elektronovou cyklotronní vlnou na stelarátoru WEGA Author(s) Laqua, H. (DE)
Marsen, S. (DE)
Otte, M. (DE)
Preinhaelter, Josef (UFP-V) RID
Stange, T. (DE)
Urban, Jakub (UFP-V) RID
Warr, G.B. (DE)
Zhang, D. (DE)Source Title Contributed Papers 36th European Physical Society Conference on Plasma Physics , 33E. - Sofia : European Physical Society, 2009 / Mateev M. ; Benova E. - ISBN 2-914771-61-4 Pages o-4.047 Number of pages 4 s. Publication form CD-ROM - CD-ROM Action European Physical Society Conference on Plasma Physics/36th./ Event date 29.06.2009-03.07.2009 VEvent location Sofie Country BG - Bulgaria Event type WRD Language eng - English Country BG - Bulgaria Keywords Conversion ; Emission ; Stellarators ; Electron Bernstein waves ; Simulation Subject RIV BL - Plasma and Gas Discharge Physics R&D Projects GA202/08/0419 GA ČR - Czech Science Foundation (CSF) 7G09042 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z20430508 - UFP-V (2005-2011) Annotation At WEGA EBW heating and current drive experiments have been successfully performed with 2.45 GHz and 28 GHz. The results has been compared with a full-wave code. At 0.5T, over-dense plasma (ne > 1×1019 m-3) could be sustained by centrally localized 28 GHz EBW heating for several seconds exclusively. A total power absorption of 87% was estimated from the microwave stray radiation level. Highly peaked pressure profiles were achieved. In addition a new radiometer was built-up to detect EBW-emission. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2010
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