Abstract
This paper describes humidity characteristics of Plasma Synthetic Jet Actuator (PSJA). PSJA is flow control device using the Electro Hydro Dynamic (EHD) effect of the glow-discharge. PSJA can be downsized, controlled easily, and has quick control response. Though the flow control around an airfoil with PSJA is mainly studied, its characteristics have not been clarified. So, it is necessary to investigate humidity characteristics of induced flow by PSJA. In this paper, the induced flow from PSJA was measured in the different relative humidity. The experimental results show that the effect of induce flow by PSJA had decreased with increase relative humidity. Therefore, when PSJA was used, relative humidity becomes an important parameter.
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