Dynamics of nano-dust in tokamak edge plasma

被引：7
|
作者：
Krasheninnikov, S. I. [1 ]
Soboleva, T. K. [2 ]
Mendis, D. A. [1 ]
机构：
[1] Univ Calif San Diego, La Jolla, CA 92093 USA
[2] Univ Nacl Autonoma Mexico, ICN, Mexico City 04510, DF, Mexico
来源：
JOURNAL OF NUCLEAR MATERIALS | 2011年 / 415卷 / 01期
关键词：
MARFE; RECOMBINATION;
D O I：
10.1016/j.jnucmat.2010.11.062
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The dynamics of nano-scale dust for tokamak edge conditions is reviewed. It is shown that unlike micron-scale grains, where the ion-grain friction is the dominant force acting on the grain, nano-dust dynamics is the subject of both friction and Lorentz forces. Possible impact of nano-dust on MARFE is investigated and it is found that dust, providing plasma particle sink and thus causing plasma flow, can play a dominant role in the localization of impurity in low temperature region. It is also shown that dust can significantly reduce the growth rate of flute instability. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：S1111 / S1114
页数：4
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