等离子体驱动器
电容
介质阻挡放电
等离子体
执行机构
电压
材料科学
等离子清洗
推力
电阻抗
电介质
光电子学
电气工程
化学
物理
电极
工程类
机械工程
量子力学
物理化学
作者
Jochen Kriegseis,Sven Grundmann,Cameron Tropea
摘要
A new procedure of determining the time resolved capacitance of a plasma actuator during operation is introduced, representing a simple diagnostic tool that provides insight into the phenomenological behavior of plasma actuators. The procedure is demonstrated by presenting example correlations between consumed electrical energy, size of the plasma region, and the operating voltage. It is shown that the capacitance of a plasma actuator is considerably increased by the presence of the plasma; hence a system that has previously been impedance matched can be considerably de-tuned when varying the operating voltage of the actuator. Such information is fundamental for any attempts to increase the energy efficiency of plasma-actuator systems. A combined analysis of the capacitance, light emission, size of the plasma region, force production, and power consumption is presented.
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