Absolute measurement of the total ion-drag force on a single plasma-confined microparticle at the void edge under microgravity conditions

被引：17

作者：

Beckers, J. ^{[1
]}

Trienekens, D. J. M. ^{[1
]}

Kroesen, G. M. W. ^{[1
]}

机构：

[1] Eindhoven Univ Technol, Dept Appl Phys, NL-5600 MB Eindhoven, Netherlands

来源：

PHYSICAL REVIEW E | 2013年 / 88卷 / 05期

关键词：

FALLING DUST PARTICLES; TRANSPORT;

D O I：

10.1103/PhysRevE.88.055101

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：

We present an absolute measurement of the total ion-drag force on one single microparticle at the edge of the dust free region in low pressure complex plasmas: the void. In order to do so, the particle confinement position was monitored as a function of the gas pressure for two particle sizes under normal gravity conditions and under microgravity conditions during parabolic flights. At the border of the void, the ion-drag force on a particle with a radius of 4.90 mu m appeared to be (3.6 +/- 0.3) x 10(-12) N.

引用

页数：4

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