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Actuators<br />Dielectric devices<br />Space vehicles -- Control systems -- Design
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Operation Of The Aerodynamic Plasma Actuator At High Altitude, Timothy Glen Nichols
Operation Of The Aerodynamic Plasma Actuator At High Altitude, Timothy Glen Nichols
Masters Theses
"A plasma actuator was operated at altitudes from 0 to 18288 meters to determine the mechanisms leading to decreased force production at low pressures. The actuator was driven with a 5 kHz sine wave and a peak to peak voltage of 13.4 kV at pressures of 760, 429, 321, 226, and 88 Torr. A passive measurement technique called the capacitive V-dot probe was adapted to the actuator in order to resolve the spatiotemporal evolution of the surface potential and electric field on the dielectric surface. At low pressures up to 20 times more plasma is present than at atmospheric conditions. …