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中文摘要：
为了提高等离子体气动激励的能量利用率,优化等离子体气动激励,对表面介质阻挡放电的能量转化过程进行了研究。将消耗的能量分为4部分,针对3种典型频率表面介质阻挡放电试验过程波形进行数据处理,得到了等离子体气动激励的能量利用率。试验计算结果表明：ns脉冲最大放电电流最大,可达4A,而且能耗最低,仅为7.5W;ns脉冲等离子气动激励的能量利用率最高、μs脉冲次之、ms脉冲最弱。研究结论有助于提高等离子体气动激励控制附面层的能力,为等离子体流动控制技术的应用奠定基础。
英文摘要：
We investigated the energy conversion process of dielectric barrier discharge in order to increase the energy utilization efficiency and to optimize the performance of plasma aerodynamic actuation.The total input energy was divided into four parts,in which the experimental results of the discharge voltage and current for three typical dielectric barrier discharges were analyzed,and the energy utilization efficiency was calculated.The results show that the discharge current of the nanosecond actuation is 4Awhich is the highest.The power consumption of the nanosecond actuation is only 7.5W.The energy utilization efficiency of nanosecond actuation is the highest,then the microsecond actuation,and the millisecond is the lowest.The results are useful for enhancing the boundary layer control ability of plasma aerodynamic actuation and can lay a foundation for the application of plasma flow control technology.
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