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Dimensionless scalings of confinement, heat transport and pedestal stability in JET-ILW and comparison with JET-C
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SYSNO ASEP 0474193 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Dimensionless scalings of confinement, heat transport and pedestal stability in JET-ILW and comparison with JET-C Author(s) Frassinetti, L. (SE)
Saarelma, S. (GB)
Lomas, P. (GB)
Nunes, I. (PT)
Rimini, F. (GB)
Beurskens, M.N.A. (DE)
Bílková, Petra (UFP-V) RID
Boom, J.E. (DE)
De La Luna, E. (ES)
Delabie, E. (US)
Drewelow, P. (GB)
Flanagan, J. (GB)
Garzotti, L. (GB)
Giroud, C. (GB)
Hawks, N. (GB)
Joffrin, E. (GB)
Kempenaars, M. (GB)
Kim, H.-T. (GB)
Kruezi, U. (GB)
Loarte, A. (FR)
Lomanowski, B. (FI)
Lupelli, I. (GB)
Meneses, L. (PT)
Maggi, C.F. (GB)
Menmuir, S. (GB)
Peterka, Matěj (UFP-V) RID, ORCID
Rachlew, E. (SE)
Romanelli, M. (GB)
Stefanikova, E. (SE)Article number 014014 Source Title Plasma Physics and Controlled Fusion. - : Institute of Physics Publishing - ISSN 0741-3335
Roč. 59, č. 1 (2017)Number of pages 12 s. Publication form Online - E Action EPS 2016: Conference on Plasma Physics/43./ Event date 04.07.2016 - 08.07.2016 VEvent location Leuven Country BE - Belgium Event type EUR Language eng - English Country GB - United Kingdom Keywords JET-ILW ; dimensionless scaling ; pedestal ; confinement ; pedestal stability ; heat transport Subject RIV BL - Plasma and Gas Discharge Physics OECD category Fluids and plasma physics (including surface physics) Institutional support UFP-V - RVO:61389021 UT WOS 000386594300014 EID SCOPUS 85006117570 DOI 10.1088/0741-3335/59/1/014014 Annotation Three dimensionless scans in the normalized Larmor radius .rho.*, normalized collisionality ν* and normalized plasma pressure .beta. have been performed in JET with the ITER-like wall (JET-ILW).The normalized energy confinement and the thermal diffusivity exhibit a scaling with .rho.* consistent with the earlier results obtained in the carbon wall JET (JET-C) and with a gyro-Bohm scaling. In the pedestal, experimental results show that the stability is not dependent on .rho.*, qualitatively in agreement with the peeling–ballooning (P–B) model.The ν* dimensionless scaling shows that JET-ILW normalized confinement has a stronger dependence on collisionality than JET-C.The .beta. dimensionless scan shows that, at low collisionality, JET-ILW normalized confinement has no clear dependence with .beta., in agreement with part of the earlier scalings. At high collisionality, a reduction of the normalized confinement with increasing .beta. is observed Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2018
Number of the records: 1