Počet záznamů: 1
Optimization of time-averaged power flux of RMP footprints in ITER
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SYSNO ASEP 0484391 Druh ASEP A - Abstrakt Zařazení RIV O - Ostatní Název Optimization of time-averaged power flux of RMP footprints in ITER Tvůrce(i) Kripner, Lukáš (UFP-V) ORCID
Loarte, A. (FR)
Cahyna, Pavel (UFP-V) RID
Urban, Jakub (UFP-V) RID
Peterka, Matěj (UFP-V) RID, ORCID
Evans, T. (US)
Schmitz, O. (DE)
Pánek, Radomír (UFP-V) RIDZdroj.dok. Bulletin of the American Physical Society, 59th Annual Meeting of the APS Division of Plasma Physics, vol. 62, 12/2017, vol. 62, 12/2017. - San Jose : American Physical Society, 2017 - ISSN 0003-0503 Poč.str. 1 s. Forma vydání Online - E Akce APS: 59th Annual Meeting of the APS Division of Plasma Physics 2017 Datum konání 23.10.2017 - 27.10.2017 Místo konání Milwaukee, Wisconsin Země US - Spojené státy americké Typ akce WRD Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova RMP ; ITER Vědní obor RIV BL - Fyzika plazmatu a výboje v plynech Obor OECD Fluids and plasma physics (including surface physics) CEP GA16-24724S GA ČR - Grantová agentura ČR Institucionální podpora UFP-V - RVO:61389021 Anotace Plasma-facing components (PFCs) in the ITER tokamak have engineering limits of the incident heat flux ( 10 MWm-2). These limits may be exceeded for example by Edge Localized Modes (ELMs) or by Resonant Magnetic Perturbations (RMPs). The time-averaged power flux can be reduced by a toroidal rotation of the ITER ELM coils (IECs) current waveform. However, such a rigid rotation results in large mechanical loads to IECs, which can significantly decrease their lifetime. We evaluate various options to decrease the required variations in the IECs currents while keeping the time-averaged power flux on the ITER divertor below the engineering limit. We use the Bayesian optimization algorithm to seek the optimum configuration. This method works efficiently even for a moderately large dimensionality, in our case up to several tens. For the analysis of a particular waveform we use the tangle distance method [Cahyna et al. Nucl. Fusion 2014], which is, due to its semi-analytical nature, fast enough to evaluate a wide range of options and plasma scenarios. Pracoviště Ústav fyziky plazmatu Kontakt Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Rok sběru 2018
Počet záznamů: 1