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Electrical and spectral property of cold arc plasma at atmospheric pressure1

Published online by Cambridge University Press:  03 May 2012

YUAN ZHONG-CAI ,
SHI JIA-MING ,
CHEN ZONG-SHENG  and
XU BO
YUAN ZHONG-CAI
Affiliation:
State Key Laboratory of Pulse Power Laser Technology, Key Lab of Infrared and Low Temperature Plasma of Anhui Province, Hefei Electronic Engineering Institute, Hefei 230037, P.R. China ([email protected])
SHI JIA-MING
Affiliation:
State Key Laboratory of Pulse Power Laser Technology, Key Lab of Infrared and Low Temperature Plasma of Anhui Province, Hefei Electronic Engineering Institute, Hefei 230037, P.R. China ([email protected])
CHEN ZONG-SHENG
Affiliation:
State Key Laboratory of Pulse Power Laser Technology, Key Lab of Infrared and Low Temperature Plasma of Anhui Province, Hefei Electronic Engineering Institute, Hefei 230037, P.R. China ([email protected])
XU BO
Affiliation:
State Key Laboratory of Pulse Power Laser Technology, Key Lab of Infrared and Low Temperature Plasma of Anhui Province, Hefei Electronic Engineering Institute, Hefei 230037, P.R. China ([email protected])
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Abstract

An atmospheric pressure plasma jet is generated with a cold arc discharge in ambient air. The current-voltage characteristics and optical emission spectra of plasma discharges are investigated. The molecular nitrogen (N2), hydroxyl radical (OH), and oxygen atom (O) are observed and analyzed. Based on the best fit of the simulated spectra of N2 (C3∏u+ − B3∏g+) band and OH (A2∑+ − X2∏) band transition and the experimentally recorded spectra, the rotational temperature and the vibrational temperature of atmospheric pressure cold arc plasma jet (APCAPJ) are estimated.

Type
Papers
Information
Journal of Plasma Physics , Volume 78 , Issue 6 , December 2012 , pp. 617 - 620
Copyright
Copyright © Cambridge University Press 2012

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Footnotes

1

Partially supported by Program for New Century Excellent Talents (NCET) of China and Fund of Key Lab of Infrared and Low Temperature Plasma of Anhui Province (No.2010A001005D).

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