Plasma parameters of a small microwave discharge at atmospheric pressure obtained by probe diagnostics

Kiss’ovski, Zh; Ivanov, A; Kolev, St

doi:10.1088/1742-6596/356/1/012010

Cited by 3 publications

(3 citation statements)

References 7 publications

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“…The non-Maxwellian electron energy distributions derived from BOLSIG+ have a different shape for the different averaged energy values, which are derived by assuming a different electric field. The gas temperature is assumed to be 1600 K, in accordance to experiments in [16]. The value is approximate and, in general, may vary considerably among the different experiments and setups.…”

Section: Electron Energy Distribution Function (Eedf)mentioning

confidence: 99%

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Modeling a Langmuir probe in atmospheric pressure plasma at different EEDFs

Trenchev¹,

Kolev²,

Kiss’ovski³

2017

Plasma Sources Sci. Technol.

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In this study, we present a computational model of a cylindrical electric probe in atmospheric pressure argon plasma. The plasma properties are varied in terms of density and electron temperature. Furthermore, results for plasmas with Maxwellian and non-Maxwellian electron energy distribution functions are also obtained and compared. The model is based on the fluid description of plasma within the COMSOL software package. The results for the ion saturation current are compared and show good agreement with existing analytical Langmuir probe theories. A strong dependence between the ion saturation current and electron transport properties was observed, and attributed to the effects of ambipolar diffusion.

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Section: Electron Energy Distribution Function (Eedf)mentioning

confidence: 99%

“…A vast amount of experimental and theoretical works belong to the low-temperature plasmas [9][10][11][12][13][14][15]. Some recent investigations were conducted for probes in low-temperature, atmospheric microwave plasma [16,17]. Plasmas employed in industry, medicine, and scientific research typically fall into this category.…”

Section: Introductionmentioning

confidence: 99%

Modeling a Langmuir probe in atmospheric pressure plasma at different EEDFs

Trenchev¹,

Kolev²,

Kiss’ovski³

2017

Plasma Sources Sci. Technol.

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“…Zhou et al diagnosed the plasma of microhollow cathode discharge at atmospheric pressure, fitted the assumptions of Maxwell distribution and non-Maxwell distribution in electron energy distribution function, and analyzed the relationship between the electron temperature and electron density and the current obtained by using different fitting methods, and corrected the electron distribution function using sink parameter [11]. Kiss'ovski et al estimated the density of argon plasma at atmospheric pressure based on three theories of high-pressure plasma probes: the 'sheath-convection' regime, collisional plasmas with high Peclet number, and the Chung theory [12]. They demonstrated that the plasma density calculated by the 'sheath-convection' regime is consistent with spectral diagnostics.…”

Section: Introductionmentioning

confidence: 99%

Parametric characterization of arcs in semi-sealed splitter plate DC circuit breakers

Lin,

Wu,

Tong

et al. 2024

J. Phys. D: Appl. Phys.

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Precisely assessing plasma parameters holds paramount importance in investigating the arc extinguishing mechanism of semi-sealed splitter plate DC circuit breakers, refining the configuration of splitter plates, and optimizing the overall structural design of circuit breakers. Based on the principle of the Langmuir probe, a double probe diagnostic method is proposed to investigate the air arc plasma in the opening process of a DC circuit breaker. The diagnostic circuit of the probes is designed, and three sets of double probes are arranged to trace the evolution of the plasma density during the opening process. The research reveals that the plasma center density, measured by the diagnostic system during the opening process of the DC circuit breaker, is about 1022 m-3 to 1023 m-3. This density is compared with the diagnostic results obtained by other methods, confirming the accuracy of the Langmuir double probe for plasma measurements in the DC circuit breaker. The study also revealed an exponential decay behavior of electron density along the radial direction of the arc. A mathematical model was employed to describe this phenomenon, establishing a relationship between the distribution of electron density and arc current.

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Diagnostic study of atmospheric pressure inductively coupled plasma temperature field based on image and relative spectral line method

Jin,

Zhao,

et al. 2025

Vacuum

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Plasma parameters of a small microwave discharge at atmospheric pressure obtained by probe diagnostics

Cited by 3 publications

References 7 publications

Modeling a Langmuir probe in atmospheric pressure plasma at different EEDFs

Modeling a Langmuir probe in atmospheric pressure plasma at different EEDFs

Parametric characterization of arcs in semi-sealed splitter plate DC circuit breakers

Diagnostic study of atmospheric pressure inductively coupled plasma temperature field based on image and relative spectral line method

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