中文摘要：

大气压非平衡等离子体射流（APNP-Js）的显著优点是可以在开放空间内而非狭窄放电间隙内（如介质阻挡放电）产生非平衡等离子体，APNP-Js己成为低温等离子体应用领域的1项新型关键技术。为此，首先从驱动电源的角度出发，分别介绍了直流、交流、射频、微波、脉冲和双电源驱动的几种典型APNP-Js。其次比较了不同电源驱动的APNP-Js特性，发现在消耗功率相同的情况下，脉冲驱动模式下的APNP-Js长度更长，APNP-Js推进速度更快，活性粒子数密度更高，而气体温度则保持在常温。再次进一步分析了电源参数对APNP-Js的影响，①随着频率从1Hz上升至射频范围，APNP-Js长度总体变短，APNP-Js推进形状由“等离子体子弹”转变为连续柱状；②随着脉冲上升沿从几μs降低至50ns，不仅APNP-Js推进速度加快，而且APNP-Js长度增加，电子温度更高，活性更强；③通过比较正负极性电压驱动的APNP-Js特性，发现负极性APNP-Js长度更短，APNP-Js推进速度更慢，射流携带电流更小，但等离子体通道中电场强度更高。最后讨论了驱动电源特性与APNP-Js参数之间的关系，并对APNP-Js面临的一些关键问题和发展方向进行了展望，如利用最少的电源功率来驱动APNP-Js以获得最高的活性粒子数密度、电源输出能量耦合进等离子体后如何分配优化等。

英文摘要：

Atmospheric-pressure non-equilibrium plasma jets （APNP-Js） are generated in the open space, rather than in- side a narrow discharge gap. This unique property advances the wide applications of APNP-Js, such as material surface treatment, nanotechnology and plasma medicine. In the past decade, the development of APNP-Js is blooming. APNP-Js has been considered as one of new key technologies for low-temperature plasma applications. In this paper, from the perspective of power supply, several typical APNP-Js driven by direct current （DC） power supply, alternative current （AC） power supply, radio frequency （RF） power supply, pulsed power supply, and double power supplies are introduced first. Then, a comparison among the characteristics of APNP-Js driven by different power supplies is presented. It is found that, with the same consumed power, APNP-Js driven by pulsed power are longer and more reactive, but remain at room tem- perature. The effects of parameters of the power supplies on APNP-Js are analyzed further. It is revealed that,① As the driven frequency increases from 1 Hz into RF range, the length of APNP-Js decreases, plasma bullets turns into conti- nuous columns in the dynamics of APNP-Js. ② As the pulse rising time decreases from several μs to 50 ns, the length of APNP-Js increases and the electron temperature becomes higher. ③ By comparing the characteristics of APNP-Js driven by positive and negative applied voltage, it is found that APNP-Js with negative polarity are shorter, propagating slower, but are of higher electric field strength in the plasma column behind the streamer head. In the last, the relationship be- tween APNP-Js and the driven power supply is discussed, and several important open issues are proposed, such as how to generate more reactive APNP-Js with less input Dower, how to allocate and optimize the energies coupling into plasmas.