Two-Dimensional Distribution of Plasma Electric Potential in the T-10 Tokamak

Мұқаба

Дәйексөз келтіру

Толық мәтін

Аннотация

Heavy ion beam probe (HIBP) is a unique plasma diagnostics that makes it possible to measure the electric potential φ of high-temperature plasma and its fluctuations y, as well as the density ne and poloidal magnetic field Bpol fluctuations. Position of the point of performing measurements in the plasma vertical cross-section depends on the beam energy and angle of its entrance into the plasma. The variation of these two parameters makes it possible to construct a two-dimensional (2D) detector grid, which covers the domain of possible measurements. The measurement results obtained in the detector grid points provide for constructing 2D distributions of plasma parameters. For the OH and ECRH stages of the T-10 tokamak shots, 2D distributions of the plasma electric potential are presented for the regime with the on-axis magnetic field of Bt = 2.2 T, plasma current of Ipl = 230 kA, line-average density of ne ≈ 1.1 × 1019 m–3 and off-axis ECRH power of PECRH = 1.7 MW.

Авторлар туралы

Ya. Ammosov

National Research Centre “Kurchatov Institute”; Moscow Institute of Physics and Technology (National Research University)

Email: ammosov.ium@phystech.edu
123182, Moscow, Russia; 141701, Dolgoprudny, Russia

F. Khabanov

University of Wisconsin-Madison

Email: melnikov_07@yahoo.com
53706, Madison, WI, USA

M. Drabinskiy

National Research Centre “Kurchatov Institute”

Email: melnikov_07@yahoo.com
123182, Moscow, Russia

A. Melnikov

National Research Centre “Kurchatov Institute”; Moscow Institute of Physics and Technology (National Research University); National Research Nuclear University “Moscow Engineering Physics Institute”

Email: melnikov_07@yahoo.com
123182, Moscow, Russia; 141701, Dolgoprudny, Russia; 115409, Moscow, Russia

L. Eliseev

National Research Centre “Kurchatov Institute”

Email: melnikov_07@yahoo.com
123182, Moscow, Russia

N. Kharchev

National Research Centre “Kurchatov Institute”; Prokhorov General Physics Institute, Russian Academy of Sciences

Email: melnikov_07@yahoo.com
123182, Moscow, Russia; 119991, Moscow, Russia

S. Lysenko

National Research Centre “Kurchatov Institute”

Хат алмасуға жауапты Автор.
Email: melnikov_07@yahoo.com
123182, Moscow, Russia

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