Ion Temperature Effect on Bohm Criterion for Magnetized Plasma Sheath

被引：15
|
作者：
El Kaouini, Morad [1 ]
Chatei, Hassan [1 ]
Driouch, Ismael [1 ]
El Hammouti, Mimoun [2 ]
机构：
[1] Univ Mohammed 1, Dept Phys, LPMR, Fac Sci, Oujda 60000, Morocco
[2] Univ Mohammed 1, Multidisciplinary Fac, Dept Phys, Nador 62700, Morocco
来源：
JOURNAL OF FUSION ENERGY | 2011年 / 30卷 / 02期
关键词：
Fluid model; Ion temperature; Bohm criterion; Magnetic field; Plasma sheath;
D O I：
10.1007/s10894-010-9358-z
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：
A two-fluid model has been used to study the characteristics of the plasma sheath in the presence of an external magnetic field and by taking into account both the ion temperature and the ion-neutral collision force. The model is solved numerically and sheath characteristics are obtained. The dependence of the Bohm magnetized sheath criterion to ion temperature is examined. Then it is concluded that the ion temperature has significant effects on the sheath characteristics such as ion velocity, particles densities and electric potential.
引用
收藏
页码：199 / 204
页数：6
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