Influence of Oxygen Impurity on the Atmospheric Pressure Helium Plasma Jet Behavior

Author

Wenjun Ning ; Lijun Wang ; Shenli Jia ; Chen Wu ; Mingzheng Fu

Author_Institution

State Key Lab. of Electr. Insulation & Power Equip., Xi´an Jiaotong Univ., Xi´an, China

Volume

42

Issue

10

fYear

2014

fDate

Oct. 2014

Firstpage

2444

Lastpage

2445

Abstract

Trace of oxygen adding to the helium atmospheric pressure plasma jet can make the jet behave differently, such as dimming the plume and changing the jet length as well as the discharge current. Moreover, with certain specific ratio of oxygen/helium, double-bullet phenomenon could be captured by intensified charge couple device. The speeds of the bullets are estimated to be several kilometers per second.

Keywords

discharges (electric); helium; oxygen; plasma diagnostics; plasma impurities; plasma jets; plasma transport processes; He-O₂; atmospheric pressure helium plasma jet; bullet speeds; discharge current; double-bullet phenomenon; intensified charge couple device; jet length; oxygen impurity; plasma transport processes; plume dimming; pressure 1 atm; specific oxygen-helium ratio; Brightness; Electron tubes; Helium; Logic gates; Plasmas; Space charge; Atomspheric-pressure plasma; Plasma properties; Plasma transport processes; Plasma transport processes.;

fLanguage

English

Journal_Title

Plasma Science, IEEE Transactions on

Publisher

ieee

ISSN

0093-3813

Type

jour

DOI

10.1109/TPS.2014.2321015

Filename

6814954