Electron density measurement of dc positive arc propagating over an ice surface based on Ha line

Azam Nekahi; Masoud Farzaneh

doi:10.1109/TPS.2011.2109400

Electron density measurement of dc positive arc propagating over an ice surface based on Ha line

Azam Nekahi, Masoud Farzaneh

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

Abstract

Results of spectroscopic investigation of an arc formed over an ice surface are presented. Direct-current positive voltage is applied to a flat ice surface with a 6-cm air gap to initiate electric discharge. Time-resolved spectra are taken during
the propagation of arc along the surface. From the emission spectra, the profile of hydrogen-alpha from Blamer series is used to measure the electron density of the arc column. A method based on broadening of the Ha line considering instrumentation broadening is employed.

Original language	English
Pages (from-to)	1120-1124
Number of pages	5
Journal	IEEE Transactions on Plasma Science
Volume	39
Issue number	4
DOIs	https://doi.org/10.1109/TPS.2011.2109400
Publication status	Published - Apr 2011

Keywords

arc
ice surface
positive voltage

Documents and Links

10.1109/TPS.2011.2109400

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title = "Electron density measurement of dc positive arc propagating over an ice surface based on Ha line",

abstract = "Results of spectroscopic investigation of an arc formed over an ice surface are presented. Direct-current positive voltage is applied to a flat ice surface with a 6-cm air gap to initiate electric discharge. Time-resolved spectra are taken duringthe propagation of arc along the surface. From the emission spectra, the profile of hydrogen-alpha from Blamer series is used to measure the electron density of the arc column. A method based on broadening of the Ha line considering instrumentation broadening is employed.",

keywords = "arc, ice surface, positive voltage",

author = "Azam Nekahi and Masoud Farzaneh",

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AU - Nekahi, Azam

AU - Farzaneh, Masoud

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N2 - Results of spectroscopic investigation of an arc formed over an ice surface are presented. Direct-current positive voltage is applied to a flat ice surface with a 6-cm air gap to initiate electric discharge. Time-resolved spectra are taken duringthe propagation of arc along the surface. From the emission spectra, the profile of hydrogen-alpha from Blamer series is used to measure the electron density of the arc column. A method based on broadening of the Ha line considering instrumentation broadening is employed.

AB - Results of spectroscopic investigation of an arc formed over an ice surface are presented. Direct-current positive voltage is applied to a flat ice surface with a 6-cm air gap to initiate electric discharge. Time-resolved spectra are taken duringthe propagation of arc along the surface. From the emission spectra, the profile of hydrogen-alpha from Blamer series is used to measure the electron density of the arc column. A method based on broadening of the Ha line considering instrumentation broadening is employed.

KW - arc

KW - ice surface

KW - positive voltage

U2 - 10.1109/TPS.2011.2109400

DO - 10.1109/TPS.2011.2109400

M3 - Article

VL - 39

SP - 1120

EP - 1124

JO - IEEE Transactions on Plasma Science

JF - IEEE Transactions on Plasma Science

SN - 0093-3813

IS - 4

ER -