NDLI: Self-consistent model of the positive column with dust particles

Content Provider	IEEE Xplore Digital Library
Author	Vasilyak, Leonid M. Polyakov, Dmitry N. Shumova, Valeria V. Fortov, Vladimir E.
Copyright Year	2010
Description	Author affiliation: JIHTRAS, Moscow, Russia (Vasilyak, Leonid M.; Polyakov, Dmitry N.; Shumova, Valeria V.; Fortov, Vladimir E.)
Abstract	In recent years the large number of well developed theoretical models for the description of RF discharge plasma in the presence of dust particles, were developed [1]. The local characteristics of such complex plasma around the dust particle, the charge gain and interaction between dusts particles may be now described rather correctly using adequate assumptions on the plasma parameters. Nevertheless, the change of plasma parameters under the presence of dust is not sufficiently up to now and usually drops out of the consideration. The influence of dust component on the DC discharge plasma is described as the first step to solve the self-consistent problem of complex plasma description. The DC discharge plasma is described in frames of diffusion approximation, combined with OML approximation for dust component. The problem is solved for the dust particles of 2 um radius, embedded into the gomogenious glow discharge column with diameter of 16 mm at air pressure P=0.5 Torr, current I = 0.5-3 mA, particle concentration n up to $10^{5}$ $cm-^{3}.$ The current-voltage characteristics for discharge with and without dust are calculated and compared with the available experimental measurements [2,3]. The radial distributions of plasma components, as well as electric field and particle charges are calculated. It is shown that the higher is the current, the higher is stability of the discharge against the disturbing action of dust. The current-voltage characteristics represent the experimentally observed falling down with the increase of the discharge current. The particle charge values range about $(4.0±1.5)10^{3}$ electron unit, that agrees well with the experimental data. The higher is the dust particles concentration, the lower is the radial electric field inside the dust cloud. When the dust concentration attains some critical value, the radial electric field changes the direction in some regions inside the dust cloud. In that region, the corresponding force acts on the dust particles, tending to change their positions. This force has not been taken into account in this work, and will be included in the model as the next step.
Starting Page	1
Ending Page	1
File Size	90754
Page Count	1
File Format	PDF
ISBN	9781424454747
ISSN	07309244
e-ISBN	9781424454761
e-ISBN	9781424454754
DOI	10.1109/PLASMA.2010.5534188
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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