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Currently a major research focus at the Future Workshop Electrofluidsystems is cylinder wake flow control by means of electric field actuation. The goal is to investigate the Electroaerodynamic Coanda Effect (ECE) by steady and pulsed ionic wind blowing without moving parts. Flat array phased plasma actuators will be used to study the plasma effect on the growth of a plane turbulent wake

Pictures:  Wind-tunnel experiments with high voltage charged cylinder of 10 cm diameter.

The pictures above show the first results on electrostatic cylinder wake flow control at a velocity of 5.1 m/s. Lifting mass forces up to 36 grams could be measured. This can be dramatically increased by using phase plasma actuators.

Two new cylinders with 6 cm diameter were built to study the electroaerodynamic effect in the small free-stream wind-tunnel of the Institute of Bionics and Evolutiontechnique, TU Berlin. Detailed results are in the paper "Experiments to Electroaerodynamic Lift Generation by a Steady Cylinder" to be presented at the German Aerospace Congress 2004.

Pictures:  Wind-tunnel experiments with high voltage charged cylinders of 6 cm diameter (see also the video).

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