Shock model for the reversed current flow in a Z-pinch plasma
SCIE
SCOPUS
KCI
- Title
- Shock model for the reversed current flow in a Z-pinch plasma
- Authors
- Lee, KT; Kim, DE; Kim, SH
- Date Issued
- 2002-02
- Publisher
- KOREAN PHYSICAL SOC
- Abstract
- A reversed current flow in a Z-pinch plasma, which has been observed in previous experiments, is reproduced in a one-dimensional magnetohydrodynamics simulation. The detailed investigation reveals that the formation of the reversed current flow is caused by the propagation of a shock wave. According to the results of the numerical simulation, a new theoretical model. A shock model is proposed to account for such a phenomenon. The new model shows that a reversed current flow appears when a shock wave that is reflected at axis expands in a compressing plasma column. An ejection of plasma at the boundary and an enhancement of the pinch have also been found to be caused by the expanding shock wave.
- Keywords
- CARBON PLASMA; DYNAMICS; ENHANCEMENT; IONIZATION; LASER
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/19198
- ISSN
- 0374-4884
- Article Type
- Article
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 40, no. 2, page. 214 - 219, 2002-02
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