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On the thermophoresis in dense dust structures in neon plasma |
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| Institution: | 1. Joint Institute for High Temperatures of Russian Academy of Sciences, Izhorskaya 13 Bldg 2, Moscow 125412, Russia;2. Moscow Institute of Physics and Technology, Institutskiy Pereulok 9, Dolgoprudny, Moscow Region 141701, Russia |
| Abstract: | Numerical study of the effect of dust particle concentration on the thermophoretic force acting on a dust particle inside a dust structure in plasma has been carried out. The experimental data on the formation of voids in dust structures formed by 2.55 μm dust particles in a glow dc discharge in neon have been used. The simulation has been performed using the diffusion-drift model with taking into account joule heating of discharge. The dependence of the thermophoretic force acting on a dust particle in a dust structure on the ratio of atom mean free path to the distance between the adjacent particles in the dust structure has been obtained. |
| Keywords: | Glow discharge Neon Dusty plasma Hollow dust structures Void Thermophoresis |
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