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Stellarator equilibria and the problem of position control

 

作者: J. P. Freidberg,   P. A. Politzer,   Philip Rosenau,  

 

期刊: Physics of Fluids(00319171)  (AIP Available online 1984)
卷期: Volume 27, issue 8  

页码: 2093-2100

 

ISSN:0031-9171

 

年代: 1984

 

DOI:10.1063/1.864833

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A class of low‐&bgr; stellarator magnetohydrodynamic (MHD) equilibria with &bgr;∼(a/R0)2is introduced, and the corresponding toroidal shift is calculated. It is shown that an apparent paradox exists with regard to the problem of position control in that a vertical field is capable of shifting vacuum flux surfaces, but produces no net body force on a current‐free stellarator. This paradox is resolved by an analysis of the transient response of the plasma and demonstrates how the vertical field can be used as a means of position control.

 

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