Characteristics of an Atmospheric Nonthermal Microplasma Actuator

In this study, a micrometer-size plasma actuator, microplasma actuator, was developed and investigated for active flow control. The microplasma actuator could be driven by a relatively low voltage of less than 2 kVpp owing to its micrometer discharge gap. Such a low voltage is easily controllable wi...

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Bibliographic Details
Published in:IEEE transactions on industry applications 2017-03, Vol.53 (2), p.1452-1458
Main Authors: Shimizu, Kazuo, Mizuno, Yoshinori, Blajan, Marius, Yoneda, Hitoki
Format: Article
Language:English
Subjects:
Active flow control
Actuators
Atmospheric measurements
Discharges (electric)
Electrodes
electrohydrodynamics (EHD) phenomenon
Energy consumption
Gases
microplasma
nonthermal plasma
plasma actuator
Plasmas
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Summary:In this study, a micrometer-size plasma actuator, microplasma actuator, was developed and investigated for active flow control. The microplasma actuator could be driven by a relatively low voltage of less than 2 kVpp owing to its micrometer discharge gap. Such a low voltage is easily controllable with semiconductor switches. Discharge diagnostics included measurements of the discharge voltage, energy, and ozone generation. Emission spectra were also measured to determine the characteristics of the microplasma. The air flow induced by the microplasma actuator was measured by the particle tracking velocimetry method. Incense smoke of a submicron diameter was used as the tracer particles and a Nd:YVO 4 532-nm laser was used for irradiation. Driving of the microplasma actuator generated an air flow in the order of 0.1 m/s and its direction was controlled with semiconductor switches.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2016.2637305