Investigation of the Dust Structures in a Stratified Neon Column

A. M. Astaf′ev; S. A. Gutsev; N. B. Kosykh

doi:10.1007/s10891-016-1526-1

Investigation of the Dust Structures in a Stratified Neon Column

A. M. Astaf′ev^*
, S. A. Gutsev
, N. B. Kosykh

^*Corresponding author for this work

St. Petersburg State University

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Dust plasma in a stratified positive column of a stationary neon discharge has been investigated. To create stationary strata, 5–7% of air was added to neon. The discharge current was 2–7 mA. The size of macroparticles from aluminum oxide was varied over the range of 10–80 μm. The plasma diagnostics was carried out by the probe method. The temperature and concentration of particles were determined by the volt-ampere characteristic. To investigate the dust structures, optical measurements were made. From the temperature and density of charged particles, the thickness of the volume charge layer surrounding the dust particle was determined and its value was compared with the value obtained as a result of optical measurement data processing. The dependence of the volume charge layer thickness on the dust particle potential has been calculated.

Original language	English
Pages (from-to)	1554-1564
Number of pages	11
Journal	Journal of Engineering Physics and Thermophysics
Volume	89
Issue number	6
DOIs	https://doi.org/10.1007/s10891-016-1526-1
State	Published - 1 Nov 2016
Externally published	Yes

Keywords

Langmuir probes
dust structures
electron temperature
low-pressure neon plasma
orbital motion
particle number density
volt-ampere characteristic
volume charge layer

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10.1007/s10891-016-1526-1

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title = "Investigation of the Dust Structures in a Stratified Neon Column",

abstract = "Dust plasma in a stratified positive column of a stationary neon discharge has been investigated. To create stationary strata, 5–7\% of air was added to neon. The discharge current was 2–7 mA. The size of macroparticles from aluminum oxide was varied over the range of 10–80 μm. The plasma diagnostics was carried out by the probe method. The temperature and concentration of particles were determined by the volt-ampere characteristic. To investigate the dust structures, optical measurements were made. From the temperature and density of charged particles, the thickness of the volume charge layer surrounding the dust particle was determined and its value was compared with the value obtained as a result of optical measurement data processing. The dependence of the volume charge layer thickness on the dust particle potential has been calculated.",

keywords = "Langmuir probes, dust structures, electron temperature, low-pressure neon plasma, orbital motion, particle number density, volt-ampere characteristic, volume charge layer",

author = "Astaf′ev, \{A. M.\} and Gutsev, \{S. A.\} and Kosykh, \{N. B.\}",

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year = "2016",

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doi = "10.1007/s10891-016-1526-1",

language = "英语",

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T1 - Investigation of the Dust Structures in a Stratified Neon Column

AU - Astaf′ev, A. M.

AU - Gutsev, S. A.

AU - Kosykh, N. B.

PY - 2016/11/1

Y1 - 2016/11/1

N2 - Dust plasma in a stratified positive column of a stationary neon discharge has been investigated. To create stationary strata, 5–7% of air was added to neon. The discharge current was 2–7 mA. The size of macroparticles from aluminum oxide was varied over the range of 10–80 μm. The plasma diagnostics was carried out by the probe method. The temperature and concentration of particles were determined by the volt-ampere characteristic. To investigate the dust structures, optical measurements were made. From the temperature and density of charged particles, the thickness of the volume charge layer surrounding the dust particle was determined and its value was compared with the value obtained as a result of optical measurement data processing. The dependence of the volume charge layer thickness on the dust particle potential has been calculated.

AB - Dust plasma in a stratified positive column of a stationary neon discharge has been investigated. To create stationary strata, 5–7% of air was added to neon. The discharge current was 2–7 mA. The size of macroparticles from aluminum oxide was varied over the range of 10–80 μm. The plasma diagnostics was carried out by the probe method. The temperature and concentration of particles were determined by the volt-ampere characteristic. To investigate the dust structures, optical measurements were made. From the temperature and density of charged particles, the thickness of the volume charge layer surrounding the dust particle was determined and its value was compared with the value obtained as a result of optical measurement data processing. The dependence of the volume charge layer thickness on the dust particle potential has been calculated.

KW - Langmuir probes

KW - dust structures

KW - electron temperature

KW - low-pressure neon plasma

KW - orbital motion

KW - particle number density

KW - volt-ampere characteristic

KW - volume charge layer

UR - https://www.scopus.com/pages/publications/84996799566

U2 - 10.1007/s10891-016-1526-1

DO - 10.1007/s10891-016-1526-1

M3 - 文章

AN - SCOPUS:84996799566

SN - 1062-0125

VL - 89

SP - 1554

EP - 1564

JO - Journal of Engineering Physics and Thermophysics

JF - Journal of Engineering Physics and Thermophysics

IS - 6

ER -

Investigation of the Dust Structures in a Stratified Neon Column

Abstract

Keywords

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