Nanosecond pulsed streamer discharge has unique characteristics that differentiate it from longer discharges. The very fast voltage rise time, peak voltage plateau, short pulse duration, and fast fall time enable a large volume of uniform nonthermal plasma generation at atmospheric pressure. This review explains the physics of nanosecond discharge plasma through experimental and simulated studies for plasma processing techniques. The following are discussed and compared between sub-microsecond and nanosecond discharge plasma: discharge phase transition, discharge propagation, production of chemically active species, temperature change of gas during plasma propagation, electrode geometry, effect of voltage rise rate, voltage polarities, and N 2 /O 2 gas composition ratio in air seeding gas. Nanosecond pulse discharge plasma is characterized by a considerably faster streamer head propagation velocity and reduced gas heating, resulting in a higher energy efficien...

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纳秒脉冲流光放电：II。物理，放电表征和等离子体处理

纳秒脉冲流光放电具有独特的特性，可将其与更长的放电区分开。极快的电压上升时间，峰值电压平稳期，短脉冲持续时间和快速下降时间可在大气压下产生大量均匀的非热等离子体。这篇评论通过对等离子体处理技术的实验和模拟研究解释了纳秒放电等离子体的物理原理。下面讨论并比较了亚微秒和纳秒级放电等离子体：放电相变，放电传播，化学活性物质的产生，等离子体传播过程中气体的温度变化，电极几何形状，电压上升速率，电压极性和N的影响空气注入气体中的2 / O 2气体组成比。