Calculation Provision of the Discharge Scenario with Attainment of the Current Plateau at the KTM Tokamak
Dokuka V.N. Khayrutdinov R.R. Khayrutdinov E.N. Andreev V.F. Lee A.M. Chektybayev B.Z. Olkhovik D.A.
December 2023Pleiades Publishing
Physics of Atomic Nuclei
2023#86Issue Suppl 2S207 - S217 pp.
Abstract: The results of testing the current scenarios developed and verified by using the DINA code at the KTM tokamak during the autumn–winter campaign of 2021 are presented. The qualitative difference between the developed scenarios is an increase in the plasma current and discharge duration with a constant breakdown stage, as well as the presence of a software stage of reducing the plasma current before the discharge is completed. In addition, the technological limitations of the power supply sources of the coils and the requirement to minimize the current reversal in the control coils in the zone of near-zero currents were taken into account. The main goal of the scenarios obtained is the realization of a current plateau during the discharge with the presence of a stage of software reduction of the plasma current before the end of the discharge. The works carried out in 2021 became the next significant step toward bringing the KTM unit to design parameters.
current , current plateau , DINA plasma-physical code , KTM , plasma , scenario , scenario verification , tokamak
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National Research Center Kurchatov Institute, Moscow, 123098, Russian Federation
State Research Center of the Russian Federation Troitsk Institute for Innovation and Fusion Research TRINITI, Moscow, Troitsk, 142092, Russian Federation
Tomsk Polytechnic University, Tomsk, 634050, Russian Federation
Institute of Atomic Energy of National Nuclear Center of the Republic of Kazakhstan, Kurchatov, 071100, Kazakhstan
National Research Center Kurchatov Institute
State Research Center of the Russian Federation Troitsk Institute for Innovation and Fusion Research TRINITI
Tomsk Polytechnic University
Institute of Atomic Energy of National Nuclear Center of the Republic of Kazakhstan
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