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CHARACTERIZATION OF DIELECTRIC BARRIER DISCHARGE PLASMA ACTUATORS FOR FLOW SEPARATION CONTROL

Timothy Munther

Abstract

The application of dielectric barrier discharge (DBD) plasma actuators for separation control is an innovative technology which can significantly enhance aircraft performance by eliminating excess weight and reducing the mechanical complexity of current flow control systems. This research presents a study on the development and characterization of (DBD) plasma actuators that will be later implemented to actively control flow separation over a high-lift airfoil. The frequency, applied voltage, dielectric material, and ballast resistance were varied in order to identify their effects on plasma formation, electrical power, and induced flow. The most notable trends observed were at higher frequencies and voltages stronger plasma was formed and a higher velocity was induced.\nAdvisor: Mo Samimy

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Key concepts: Plasma actuator, Dielectric barrier discharge, Separation (statistics), Plasma, Flow control (data), Characterization (materials science), Materials science, Dielectric