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Modelling of parallel dynamics of a pellet-produced plasmoid
Journal of Plasma Physics ( IF 2.1 ) Pub Date : 2021-07-28 , DOI: 10.1017/s0022377821000714
A. Runov 1 , P. Aleynikov 2 , A.M. Arnold 2 , B.N. Breizman 3 , P. Helander 2
Affiliation  

The parallel expansion of a dense, pellet-produced plasmoid is modelled with parameters relevant to pellet fuelling experiments in the Wendelstein7-X stellarator. Good agreement is found between the analytical theory and more detailed modelling. In particular, much of the energy deposited in the pellet by the ambient plasma is transferred to the pellet ions by the ambipolar electric field during the expansion. The validity of the hydrodynamic treatment of the plasmoid and the ambient plasma is discussed.

中文翻译:

颗粒产生的等离子团的平行动力学建模

使用与 Wendelstein7-X 仿星器中的颗粒燃料实验相关的参数对密集的、颗粒产生的等离子体团的平行膨胀进行建模。在分析理论和更详细的建模之间发现了很好的一致性。特别是,在膨胀过程中,由环境等离子体沉积在颗粒中的大部分能量通过双极电场转移到颗粒离子。讨论了等离子体团和环境等离子体的流体动力学处理的有效性。
更新日期:2021-07-28
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