KTM TOKAMAK VACUUM CHAMBER PREPARATION FOR EXPERIMENTS

ПОДГОТОВКА ВАКУУМНОЙ КАМЕРЫ ТОКАМАКА КТМ К ЭКСПЕРИМЕНТАМ
Obraztsov I.S. Ryzhakov D.V. Chektybaev B.Zh. Olkhovik D.A. Savkin V.I. Polkovnikov V.S. Ibragimkhan E.E.
2022 National Research Center Kurchatov Institute

Problems of Atomic Science and Technology, Series Thermonuclear Fusion
2022 #45 Issue 3 29 - 33 pp.

The article describes the vacuum system of the KTM tokamak, and also presents an algorithm for the technological mode of conditioning the vacuum chamber (VC) of the tokamak, carried out before and during the experiment, and its effect on the production of plasma discharges. The technique used for preparing the vacuum chamber, despite the presence of an atmospheric leak in 2021, made it possible to provide conditions for conducting experiments on the KTM tokamak and to obtain discharges with the highest values of currents and discharge duration for this installation at the time of writing. As a result of the analysis of experimental data, the conditions were established under which plasma discharges are not formed.

atmospheric leakage , desorption , glow discharge , mass spectra of residual gases , ohmic heating , vacuum technique

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NRC «Kurchatov Institute», pl. Akademika Kurchatova 1, Moscow, 123182, Russian Federation
Institute of Atomic Energy of the National Nuclear Center of the Republic of Kazakhstan, Beibit atom str. 10, VKO, Kurchatov, 071100, Kazakhstan

NRC «Kurchatov Institute»
Institute of Atomic Energy of the National Nuclear Center of the Republic of Kazakhstan

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