Effect of discharge resistor on performance of plasma synthetic jet actuator

被引：0
|
作者：
Cheng L. [1 ]
Tan H. [2 ]
机构：
[1] Aviation Engineering Institute, Civil Aviation Flight University of China, Guanghan, 618307, Sichuan
[2] College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing
来源：
Hangkong Dongli Xuebao/Journal of Aerospace Power | 2019年 / 34卷 / 08期
关键词：
Discharge characteristics; Discharge resistor; Flow control; High-speed schlieren; Plasma synthetic jet actuator (PSJA);
D O I：
10.13224/j.cnki.jasp.2019.08.011
中图分类号：
学科分类号：
摘要：
A plasma synthetic jet actuator (PSJA) with normal orifice was designed to study the effect of discharge resistor. The discharge characteristics and transient flow-field characteristics of actuator with 100, 200, 300Ω were researched by electric parameter measurement system and high-speed schlieren technology. Results showed that the discharge process can be divided into two stages due to the existence of current limiting resistance, rapid discharge stage and slow discharge stage. This mode can continuously provide energy to the actuator while satisfying the higher initial energy injection, and effectively improve the stability of the actuator. At the same time, the smaller discharge resistance can obtain greater jet velocity, enhancing the jet flow control capability. The smaller discharge resistance led to the increase of discharge current, unstable velocity and worsening of working stability. In practical application, it was necessary to consider and determine the final resistance value comprehensively to ensure the rational distribution of energy in the two discharge stages. © 2019, Editorial Department of Journal of Aerospace Power. All right reserved.
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页码：1724 / 1730
页数：6
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