Analysis of Electromagnetic Forces in Tokamak Vacuum Chamber due to Induced Poloidal Current after Thermal Quench

被引：3

作者：

Dubrov, M. L. ^{[1
]}

Lukash, V. E. ^{[1
]}

Khayrutdinov, R. R. ^{[1
]}

Dokuka, V. N. ^{[1
]}

机构：

[1] Natl Res Ctr, Kurchatov Inst, Moscow 123182, Russia

来源：

PHYSICS OF ATOMIC NUCLEI | 2020年 / 83卷 / 07期

基金：

俄罗斯基础研究基金会;

关键词：

tokamak; electromagnetic forces; major disruption; thermal quench; DINA code;

D O I：

10.1134/S1063778820070054

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The work is devoted to the analysis of the influence of poloidal current induced in a tokamak vacuum chamber due to change of paramagnetic plasma properties as a result of thermal quench on the magnitude and distribution of electromagnetic forces in a vacuum chamber. The work was performed numerically using the plasma-physics code DINA for conditions of major disruption in the plasma of ITER and T-15MD. A comparison is made of the electromagnetic effect obtained from the toroidal and poloidal currents induced in the vacuum chamber as a result of thermal quench with estimates of the electromagnetic forces due to only toroidal currents. It is shown that the integral radial component of the electromagnetic force in the elements of the vacuum chamber when the poloidal current is taken into account can be much lower than in the case of only the toroidal current induced in the chamber. The paper presents a model for calculating the poloidal current induced in a vacuum chamber first used in the DINA code.

引用

页码：1058 / 1069

页数：12

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