Experimental and Theoretical Studies on the Characteristics of Atmospheric Pressure Glow Discharge with Liquid Cathode |
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| Authors: | V A Titov V V Rybkin S A Smirnov A N Kulentsan H-S Choi |
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| Institution: | (1) Department of Microelectronic Devices and Materials Technology, Ivanovo State University of Chemical Technology, F. Engels ave., 7, Ivanovo, 153000, Russia;(2) Department of Chemical Engineering, Chungnam National University, 220 Gung -dong, Yuseong-gu, Daejeon, 305-764, Korea |
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| Abstract: | This study investigated the characteristics of an atmospheric pressure air-glow discharge with a liquid cathode. Distilled water was utilized as the cathode. The electric field strength, gas temperature as well as the emission intensity of some N2(C3Πu → B3Πg) and OH (A2Σ+ → X2Π) bands were measured at a discharge current ranging from 15 to 50 mA. Based upon the data obtained, the reduced electric field strength, E/N, and effective vibrational temperatures for N2(C3Πu, X1Σ
g
+
) and OH (A2Σ+) were examined. The electron energy distribution function (EEDF) and some electron parameters (average energy, electron density and rate coefficients) were obtained based on a numerical solution of the Boltzmann kinetic equation. The result showed that the EEDF was not in equilibrium and the effective vibrational temperatures for N2(C3Πu, X1Σ
g
+
) were essentially higher than the gas temperatures. |
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| Keywords: | Atmospheric pressure plasma with liquid cathode Emission spectrometry Gas temperature Electron characteristics |
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