Study of plasma-surface interaction at the GOL-3 facility

被引：11

作者：

Shoshin, A. A. ^{[1
,2
]}

Arakcheev, A. S. ^{[1
,2
]}

Arzhannikov, A. V. ^{[1
,2
]}

Burdakov, A. V. ^{[1
,3
]}

Ivanov, I. A. ^{[1
,2
]}

Kasatov, A. A. ^{[1
]}

Kuklin, K. N. ^{[1
]}

Polosatkin, S. V. ^{[1
,2
]}

Postupaev, V. V. ^{[1
,2
]}

Sinitsky, S. L. ^{[1
,2
]}

Vasilyev, A. A. ^{[2
]}

Vyacheslavov, L. N. ^{[1
]}

机构：

[1] RAS, SB, Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[2] Novosibirsk State Univ, Novosibirsk 630090, Russia

[3] Novosibirsk State Tech Univ, Novosibirsk 630092, Russia

来源：

FUSION ENGINEERING AND DESIGN | 2017年 / 114卷

基金：

俄罗斯科学基金会;

关键词：

Plasma-wall interaction; First wall; Plasma diagnostics; Tungsten; Graphite; Pulsed plasma load; Surface modification; MULTIMIRROR TRAP GOL-3; MULTIPLE-MIRROR TRAP; TRANSIENT HEAT LOADS; RELATIVISTIC ELECTRON-BEAM; TUNGSTEN SURFACE; SIBERIAN SYNCHROTRON; FACING COMPONENTS; RADIATION CENTER; DUST PARTICLES; HOT PLASMA;

D O I：

10.1016/j.fusengdes.2016.12.019

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

The review presents experimental studies of plasma-surface interaction and materials behavior under plasma loads done in the multiple-mirror trap of the GOL-3 facility. In the experiments for the PSI, the energy density in the extracted plasma stream varies from 0.5 to 30 MJ/m(2). Parameters of near surface plasma measured by a set of diagnostics are reviewed. Surface patterns of targets exposed to the plasma are analyzed. The erosion depth depends on the energy loads it rises from 0 to 600 mu m at 0.5 and 30 MJ/m(2), correspondingly. Cracking and evolution of graphite and tungsten surface morphology are discussed. The enthalpy of brittle destruction of graphite (10 kJ/g), which determines the threshold of bulk damage of targets irradiated with a charged-particle flux with large penetration depth, was determined. Comparison of different facilities for PSI studies are presented. Heat flux play a key role to the target surface erosion. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：157 / 179

页数：23

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