中文摘要：

为推广滑动弧放电在工业领域的应用，探究了重复脉冲电源作用下气液两相滑动弧放电的特性。通过实验研究，记录了放电电压电流波形及放电图像，比较了气相和气液两相滑动弧放电在不同气体体积流量下的平均放电功率、发射光谱强度及电子激发温度。实验结果表明，气相及气液两相滑动弧平均放电功率受气流体积流量的显著影响，进气体积流量在14L／min时放电功率达到峰值；OH基团特征谱线强度和电子激发温度随气体体积流量下降；高能电子密度随气体体积流量增大而显著增强。水汽的加入降低了平均放电功率以及电子激发温度，但增加了放电区域中OH基团含量。分析表明：该研究的滑动弧放电等离子体具有较高的OH基团含量和电子能量，有利于其在工业废气处理领域的广泛应用。

英文摘要：

The discharge characteristics of the gas-liquid phase gliding arc discharge, driven by repetitive pulse power supply, were analyzed in order to spread its industrial applications. By experimental research, the voltage and current waveforms and the discharge images were recorded. The average discharge powers, typical emission spectra and electron excitation temperatures： of gliding arc discharges were also compared under different gas volume flowrates. It is found that the average discharge power is significantly affected by gas volume flowrate under pure gas or gas-liquid phase con- ditions, and it reaches the maximum value when the gas volume flowrate is 14 L/min. Both of the relative intensity of OH radical and the electron excitation temperature of the gliding arc discharge decrease with the increasing gas volume flowrate, while the high energy electron density is significantly enhanced as the gas volume flowrate rises. The fimction of water vapor reduces the average discharging power and electron excitation temperature, but increases the intensity of the OH radical in the discharge area. Analysis shows that the OH radical intensity and electron energy are higher in the researched gliding arc discharge, and it can be widely used for the industrial waste gas treatment.