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Poloidal Asymmetry in the Narrow Heat Flux Feature in the TCV Scrape-Off Layer.
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SYSNO ASEP 0478614 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Poloidal Asymmetry in the Narrow Heat Flux Feature in the TCV Scrape-Off Layer. Author(s) Tsui, C.K. (US)
Boedo, J. A. (US)
Halpern, F.D. (US)
Loizu, J. (DE)
Nespoli, F. (CH)
Horáček, Jan (UFP-V) RID, ORCID
Labit, B. (CH)
Morales, J. (CH)
Reimerdes, H. (CH)
Ricci, P. (CH)
Theiler, C. (CH)
Coda, S. (CH)
Duval, B. P. (CH)
Furno, I. (CH)Article number 062508 Source Title Physics of Plasmas - ISSN 1070-664X
Roč. 24, č. 6 (2017)Number of pages 12 s. Publication form Print - P Language eng - English Country US - United States Keywords Scrape-Off Layer ; TCV ; tokamak ; plasma Subject RIV BL - Plasma and Gas Discharge Physics OECD category Fluids and plasma physics (including surface physics) R&D Projects GA15-10723S GA ČR - Czech Science Foundation (CSF) Institutional support UFP-V - RVO:61389021 UT WOS 000404639000038 EID SCOPUS 85020770905 DOI 10.1063/1.4985075 Annotation Heat flux profiles inferred from a reciprocating probe at the outer midplane of the TCV tokamak during inner wall limited discharges feature radial fall-off lengths with the so-called narrow feature. It is significantlywider on the outboard side compared with that measured on the inner wall by infrared thermography, so it is difficult to discern from the main SOL. Fraction of the power contained in the narrow feature matches between inboard and outboard measurements, and they scale together with plasma current Ip, suggesting that we are observing the same phenomenon. This paper therefore demonstrates consistency between the measurements of the narrow feature on the inboard and outboard sides of the plasma, as well as consistency between the measurements, non-linear turbulence simulations, and analytical models of the narrow feature arising from sheared ExB flows. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2018
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