Characteristics of atmospheric-pressure non-thermal N2 and N2/O2 gas mixture plasma jet

Xiao, Dezhi; Cheng, Cheng; Shen, Jie; Liu, Yan; Xie, Hui; Xingsheng, Shu; Meng, Yue; Li, Jiangang; Chu, Paul K.

doi:10.1063/1.4862304

Cited by 69 publications

(47 citation statements)

References 52 publications

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“…With increasing the applied voltage to some extent, breakdown of O 2 gas is occurred. In order to observe electrical characteristics of the produced plasma the discharge voltage and current waveforms (Xiao et al 2014, Ni et al 2008 are displayed in Fig. 2(a).…”

Section: Resultsmentioning

confidence: 99%

Electrical and Spectroscopic Diagnostics of Atmospheric Pressure DBD Plasma Jet

Talukder

2016

J Bangladesh Acad Sci

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Atmospheric pressure capillary dielectric barrier oxygen discharge plasma jet is developed to generate nonthermal plasma using unipolar positive pulse power supply. Both electrical and optical diagnostic techniques were used to characterize the produced plasma as functions of applied voltage and gas flow rate. Electrical diagnostics indicated that the discharge frequency decreased with gas flow rate but increased with the applied voltage. Analytical results obtained from the optical emission spectroscopic data revealed the gas temperature, excitation temperature and electron density. Gas temperature was found to decrease with increasing oxygen flow rate but increase linearly with applied voltage. The produced plasma was applied preliminarily to study the inactivation yield of Fusarium oxysporum fungus infected potato samples.

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Section: Resultsmentioning

confidence: 99%

Electrical and Spectroscopic Diagnostics of Atmospheric Pressure DBD Plasma Jet

Talukder

2016

J Bangladesh Acad Sci

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“…22,23 In addition, nitrogen exists in air and the emission spectra can be acquired easily from the discharge. 24,25 The discharge current is a function of the electron density and can be also used to determine the plasma parameters. Hence, the discharge current is measured to confirm the electron density calculated by the second method.…”

Section: Introductionmentioning

confidence: 99%

Electron density measurements of atmospheric-pressure non-thermal N2 plasma jet by Stark broadening and irradiance intensity methods

et al. 2014

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Estimation of electron temperature and density of the decay plasma in a laser-assisted discharge plasma extreme ultraviolet source by using a modified Stark broadening method An atmospheric-pressure non-thermal plasma jet excited by high frequency alternating current using nitrogen is developed and the electron density in the active region of this plasma jet is investigated by two different methods using optical emission spectroscopy, Stark broadening, and irradiance intensity method. The irradiance intensity method shows that the average electron density is about 10 20 /m 3 which is slightly smaller than that by the Stark broadening method. However, the trend of the change in the electron density with input power obtained by these two methods is consistent. V C 2014 AIP Publishing LLC. [http://dx.

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“…Measurements and analysis of the physical and chemical interactions of NTPs has been a subject of intense study for many decades. Optical spectroscopy may, however, provide better insights into the reactive species being generated, the electron energy range within the plasma for atomic and molecular excitation, and the mechanisms and kinetics of energy transfer with respect to radiative and collisional processes . Through this, the possible chemical reactions that could interact with surfaces can be ascertained.…”

Section: Introductionmentioning

confidence: 99%

Spectroscopic study of excited molecular nitrogen generation due to interactions of metastable noble gas atoms

Scally¹,

Lalor²,

Gulan³

et al. 2018

Plasma Processes & Polymers

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This work provides an insight into the generation of excited nitrogen species by allowing noble gases to interact both with one another and ambient air. He and Ar were utilized to generate the optimum selectivity process to create reactive nitrogen species. An optimum setting for the generation of excited molecular nitrogen species, based on their excited energy levels, was obtained when using a mixture of Ar-He at a ratio of 10:1. At that point, when a voltage of 27 kV is applied to the system, it reached the maximum efficiency for selectivity processes to occur which allowed for a greater non-radiative transfer of energy through the mixture of noble gas atoms and into the molecular nitrogen present in ambient air. K E Y W O R D SAC barrier discharges, kinetics, nitrogen, non-thermal plasma, optical emission spectroscopy (OES)

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Characteristics of atmospheric-pressure non-thermal N₂ and N₂/O₂ gas mixture plasma jet

Cited by 69 publications

References 52 publications

Electrical and Spectroscopic Diagnostics of Atmospheric Pressure DBD Plasma Jet

Electrical and Spectroscopic Diagnostics of Atmospheric Pressure DBD Plasma Jet

Electron density measurements of atmospheric-pressure non-thermal N2 plasma jet by Stark broadening and irradiance intensity methods

Spectroscopic study of excited molecular nitrogen generation due to interactions of metastable noble gas atoms

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