Physical characteristics of atmospheric pressure glow discharge with liquid electrolyte cathode (water and CuCl2 solutions)

摘要

The characteristics of atmospheric pressure air glow discharge with liquid cathode have beenstudied. Distilled water and aqueous solutions of CuCl2 were used as a cathode. The cathodevoltage drop, electric field strength in plasma and emission intensity of some bands for N2 andOH were measured at discharge current varied from 6 to 60 mA. Gas temperature and effectivevibration temperatures for N2 and OH were estimated on the base of spectral measurements. Thereduced electric field strength and γ emission coefficients were calculated also. The electronenergy distribution function and some electron parameters (average energy, electron density)were estimated on the base of numerical solution of the Boltzmann kinetic equation.