Schlieren flow visualization of helium atmospheric plasma jet and influence of the gas flow rate and applied voltage frequency

We used schlieren photography to visualize the influence of gas flow rates of 1, 2.5, 5, 10 L/min and of the applied voltage frequency on a helium atmospheric plasma jet induced at the nozzle of a capillary tube. The expansion of the gas in the surrounding medium (air) was analyzed in the two differ...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 992; no. 1; pp. 12005 - 12008
Main Authors Borghei, S M, Vaziri, N, Alibabaei, S
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.03.2018
Subjects
Capillary tubes
Electric potential
Flow velocity
Flow visualization
Fluid flow
Gas flow
Helium
Hydrodynamics
Physics
Plasma
Plasma jets
Schlieren photography
Voltage
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Summary:We used schlieren photography to visualize the influence of gas flow rates of 1, 2.5, 5, 10 L/min and of the applied voltage frequency on a helium atmospheric plasma jet induced at the nozzle of a capillary tube. The expansion of the gas in the surrounding medium (air) was analyzed in the two different modes - plasma on/plasma off. Changes in the above parameters affect the gas flow regime and the hydrodynamics of the jet.
ISSN:1742-6588
1742-6596
1742-6596
DOI:10.1088/1742-6596/992/1/012005