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Article: Investigation on the electron density of a micro-plasma jet operated at atmospheric pressure

TitleInvestigation on the electron density of a micro-plasma jet operated at atmospheric pressure
Authors
KeywordsElectron Density
Emission Spectrum
Micro-Plasma Jet
Stark Broadening
Issue Date2010
Citation
Guang Pu Xue Yu Guang Pu Fen Xi/Spectroscopy And Spectral Analysis, 2010, v. 30 n. 7, p. 1756-1758 How to Cite?
AbstractIn the present paper, a micro-hollow cathode discharge setup was used to generate micro-plasma jet in flowing mixture of Ar and N 2 at atmospheric pressure. The characteristics of the micro-plasma jet were investigated by means of optical method and electrical one. It has been found that breakdown occurs in the gas between the two electrodes when the input power of electric source is increased to a certain value. Plasma appears along the gas flow direction when the mixed gas flows from the aperture of the micro-hollow cathode, and the length of plasma reaches 4 mm. The discharge current is quasi-continuous, and the duration of discharge pulse is about 0.1 μs. Electron density was studied by using Einstein equation and Stark broadening of spectral lines from the emission spectrum respectively. It was found that the results of electron density calculated by the two methods are consistent with the order of 10 15 · cm -3. It was also found that the electron density is almost independent of power. A qualitative explanation to the phenomenon is given based on the gas discharge theory.
Persistent Identifierhttp://hdl.handle.net/10722/168468
ISSN
2015 Impact Factor: 0.275
2015 SCImago Journal Rankings: 0.199
References

 

DC FieldValueLanguage
dc.contributor.authorLi, XCen_US
dc.contributor.authorZhao, Nen_US
dc.contributor.authorLiu, WYen_US
dc.contributor.authorLiu, ZQen_US
dc.date.accessioned2012-10-08T03:19:19Z-
dc.date.available2012-10-08T03:19:19Z-
dc.date.issued2010en_US
dc.identifier.citationGuang Pu Xue Yu Guang Pu Fen Xi/Spectroscopy And Spectral Analysis, 2010, v. 30 n. 7, p. 1756-1758en_US
dc.identifier.issn1000-0593en_US
dc.identifier.urihttp://hdl.handle.net/10722/168468-
dc.description.abstractIn the present paper, a micro-hollow cathode discharge setup was used to generate micro-plasma jet in flowing mixture of Ar and N 2 at atmospheric pressure. The characteristics of the micro-plasma jet were investigated by means of optical method and electrical one. It has been found that breakdown occurs in the gas between the two electrodes when the input power of electric source is increased to a certain value. Plasma appears along the gas flow direction when the mixed gas flows from the aperture of the micro-hollow cathode, and the length of plasma reaches 4 mm. The discharge current is quasi-continuous, and the duration of discharge pulse is about 0.1 μs. Electron density was studied by using Einstein equation and Stark broadening of spectral lines from the emission spectrum respectively. It was found that the results of electron density calculated by the two methods are consistent with the order of 10 15 · cm -3. It was also found that the electron density is almost independent of power. A qualitative explanation to the phenomenon is given based on the gas discharge theory.en_US
dc.languageengen_US
dc.relation.ispartofGuang Pu Xue Yu Guang Pu Fen Xi/Spectroscopy and Spectral Analysisen_US
dc.subjectElectron Densityen_US
dc.subjectEmission Spectrumen_US
dc.subjectMicro-Plasma Jeten_US
dc.subjectStark Broadeningen_US
dc.titleInvestigation on the electron density of a micro-plasma jet operated at atmospheric pressureen_US
dc.typeArticleen_US
dc.identifier.emailLi, XC:xuechenl@hku.hken_US
dc.identifier.authorityLi, XC=rp00742en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.3964/j.issn.1000-0593(2010)07-1756-03en_US
dc.identifier.scopuseid_2-s2.0-77954356619en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77954356619&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume30en_US
dc.identifier.issue7en_US
dc.identifier.spage1756en_US
dc.identifier.epage1758en_US
dc.identifier.scopusauthoridLi, XC=24168958800en_US
dc.identifier.scopusauthoridZhao, N=36162070500en_US
dc.identifier.scopusauthoridLiu, WY=16227464900en_US
dc.identifier.scopusauthoridLiu, ZQ=36064430700en_US

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