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Self-consistent transport simulations of COMPASS operation with optimized NBI
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SYSNO ASEP 0346433 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Self-consistent transport simulations of COMPASS operation with optimized NBI Tvůrce(i) Urban, Jakub (UFP-V) RID
Stránský, Michal (UFP-V)
Fuchs, Vladimír (UFP-V) RID
Voitsekhovitch, I. (GB)
Valovič, M. (GB)Zdroj.dok. Plasma Physics and Controlled Fusion. - : Institute of Physics Publishing - ISSN 0741-3335
Roč. 52, č. 4 (2010), 045008-045008Poč.str. 12 s. Forma vydání web - web Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova COMPASS tokamak ; transport ; neutral beam injection (NBI) Vědní obor RIV BL - Fyzika plazmatu a výboje v plynech CEP LC528 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy 7G09042 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy CEZ AV0Z20430508 - UFP-V (2005-2011) UT WOS 000275748400010 DOI 10.1088/0741-3335/52/4/045008 Anotace The COMPASS tokamak, a mid-sized flexible device with ITER-like shape, which can operate in H-mode, is starting its re-established operation at the Institute of Plasma Physics in Prague. A new 600kW, 40 keV neutral beam injection (NBI) system is foreseen as a major upgrade. Reported here are predictive simulations with the ASTRA transport code, in which the FAFNER Monte-Carlo NBI code is, for the first time, self-consistently integrated. These simulations are carried out for several typical COMPASS scenarios with different magnetic fields, plasma currents and shapes. We compare ohmic scenarios with NBI-heated scenarios and show that NBI is able to significantly improve the plasma performance, particularly to attain Ti~=Te, which is the primary goal of the NBI system. The NBI performance is discussed in detail. The chosen energy of 40 keV is shown to be in many aspects optimum. Pracoviště Ústav fyziky plazmatu Kontakt Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Rok sběru 2011
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