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Title: Dusty Plasma Structures in Gas Mixtures

Abstract

The possibility of attainment of large Mach numbers is analyzed for the case of heavy ions drifting in a light gas. Under conditions of typical experiments with dust structures in plasmas, the use of the mixture of light and heavy gases is shown to make it possible to suppress the ion heating in the electric field and to form supersonic flows characterized by large Mach numbers. The drift of krypton ions in helium is considered as an example. Experiments with dc glow discharge at 1-10% of Kr show that the transition to the discharge in mixture leads to increase of interaction anisotropy and reinforcement of coupling of dust particles in the direction of ion drift. On the other hand, under certain conditions the phenomenon of abnormal 'heating' of dust particles was observed when the particles can obtain high kinetic energy which is several orders of magnitude higher than typical.

Authors:
; ; ;  [1];  [2]
  1. Joint Institute for High Temperatures, Russian Academy of Sciences, Izhorskaya Str. 13/19, build 2, 125412 Moscow (Russian Federation)
  2. A. M. Prokhorov General Physics Institute, Russian Academy of Sciences, Vavilov Str. 38, 119991 Moscow (Russian Federation)
Publication Date:
OSTI Identifier:
21251274
Resource Type:
Journal Article
Journal Name:
AIP Conference Proceedings
Additional Journal Information:
Journal Volume: 1041; Journal Issue: 1; Conference: 5. international conference on the physics of dusty plasmas, Ponta Degada, Azores (Portugal), 18-23 May 2008; Other Information: DOI: 10.1063/1.2997072; (c) 2008 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0094-243X
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; ANISOTROPY; COUPLING; DRIFT INSTABILITY; DUSTS; ELECTRIC FIELDS; GLOW DISCHARGES; HELIUM; ION DRIFT; KINETIC ENERGY; KRYPTON IONS; MAGNETOHYDRODYNAMICS; MIXTURES; PLASMA; PLASMA HEATING; PLASMA WAVES; RF SYSTEMS; SUPERSONIC FLOW

Citation Formats

Popova, D V, Antipov, S N, Petrov, O F, Fortov, V E, and Maiorov, S A. Dusty Plasma Structures in Gas Mixtures. United States: N. p., 2008. Web. doi:10.1063/1.2997072.
Popova, D V, Antipov, S N, Petrov, O F, Fortov, V E, & Maiorov, S A. Dusty Plasma Structures in Gas Mixtures. United States. https://doi.org/10.1063/1.2997072
Popova, D V, Antipov, S N, Petrov, O F, Fortov, V E, and Maiorov, S A. 2008. "Dusty Plasma Structures in Gas Mixtures". United States. https://doi.org/10.1063/1.2997072.
@article{osti_21251274,
title = {Dusty Plasma Structures in Gas Mixtures},
author = {Popova, D V and Antipov, S N and Petrov, O F and Fortov, V E and Maiorov, S A},
abstractNote = {The possibility of attainment of large Mach numbers is analyzed for the case of heavy ions drifting in a light gas. Under conditions of typical experiments with dust structures in plasmas, the use of the mixture of light and heavy gases is shown to make it possible to suppress the ion heating in the electric field and to form supersonic flows characterized by large Mach numbers. The drift of krypton ions in helium is considered as an example. Experiments with dc glow discharge at 1-10% of Kr show that the transition to the discharge in mixture leads to increase of interaction anisotropy and reinforcement of coupling of dust particles in the direction of ion drift. On the other hand, under certain conditions the phenomenon of abnormal 'heating' of dust particles was observed when the particles can obtain high kinetic energy which is several orders of magnitude higher than typical.},
doi = {10.1063/1.2997072},
url = {https://www.osti.gov/biblio/21251274}, journal = {AIP Conference Proceedings},
issn = {0094-243X},
number = 1,
volume = 1041,
place = {United States},
year = {Sun Sep 07 00:00:00 EDT 2008},
month = {Sun Sep 07 00:00:00 EDT 2008}
}