Separation of Particles in Dusty Plasma in Mixtures of Inert Gases

被引：1
|
作者：
Novikov, L. A. [1 ]
Karasev, V. Yu. [1 ]
Pavlov, S. I. [1 ]
Balabas, M. V. [1 ]
Krylov, I. R. [1 ]
Dzlieva, E. S. [1 ]
Maiorov, S. A. [2 ,3 ,4 ]
机构：
[1] St Petersburg State Univ, St Petersburg, Russia
[2] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow, Russia
[3] Russian Acad Sci, Joint Inst High Temp, Moscow, Russia
[4] Al Farabi Kazakh Natl Univ, Inst Theoret & Expt Phys, Alma Ata, Kazakhstan
来源：
PLASMA PHYSICS REPORTS | 2023年 / 49卷 / 01期
基金：
俄罗斯科学基金会;
关键词：
dusty plasma; glow discharge; polydisperse particles; mixture of inert gases; GLOW-DISCHARGE;
D O I：
10.1134/S1063780X22700362
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
A method is proposed and implemented for controlling the size of dust particles using the variation of the electron temperature by adding a small fraction of a gas impurity with a low ionization potential to the discharge. It is shown that when using the inert He and Xe gases, which differ the most in mass, the size of the selected dust particles differs by a factor of two. Numerical estimates are made of the average size of a selected particle based on the balance of forces acting on a dust particle, taking into account the effect of impurities on the particle charge and ion flow rate. The method of tuning the dust trap to the size of retained particles, operates in the range on the order of 1-10 mu m.
引用
收藏
页码：157 / 161
页数：5
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