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Evaluation of Turbulent Particle Flux by Heavy Ion Beam Probe in the T-10 Tokamak
Plasma and Fusion Research · 2018 · Vol. 13(0) · pp. 3402106–3402106
L.G. Eliseev✉(Kurchatov Institute)A. V. Melnikov(Kurchatov Institute)S. E. Lysenko(Kurchatov Institute)P.O. Khabanov(Kurchatov Institute)V.N. Zenin(Kurchatov Institute)M.A. Drabinskij(Kurchatov Institute)Nikolaj K. KHARCHEV(Kurchatov Institute)A.S. Kozachek(Czech Academy of Sciences, Institute of Plasma Physics)Ludmila I. KRUPNIK(Czech Academy of Sciences, Institute of Plasma Physics)HIBP Team(Czech Academy of Sciences, Institute of Plasma Physics)
Abstract
In the T-10 tokamak, the local fluctuations of poloidal electric field Epol and density ñe were simultaneously measured by heavy ion beam probe (HIBP) with 5-slit energy analyzer that allow us to estimate the turbulent particle flux and E × B rotation velocity in the gradient zone of plasma column (r/a = 0.8). It was shown that at the Ohmic heating (OH) stage of discharge, the outward flux is in the range of 2 × 1019 m−2 s−1, increasing at the ECRH stage by a factor of 1.5. At OH stage, the poloidal rotation velocity is about 4.5 km/s.
Magnetic confinement fusion researchFusion materials and technologiesSuperconducting Materials and ApplicationsPhysicsTokamakTurbulenceAtomic physicsPlasmaFlux (metallurgy)Beam (structure)Electric fieldIonRotation (mathematics)
Funding
- Russian Science Foundation
- National Research Nuclear University MEPhI
Citations
21
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4.89
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