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Electrowetting control of bouncing jets
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View: Figures


Image of FIG. 1.
FIG. 1.

Experimental setup showing the jet velocity control.

Image of FIG. 2.
FIG. 2.

Jet bouncing obtained for various applied voltages (from top to bottom: 0 V, 110 V, and 150 V). Lines are parallel to the jet after bouncing (dashed line: 0 V, dotted line: 110 V, and plain line: 150 V).

Image of FIG. 3.
FIG. 3.

Cosines of the wetting angle measured on a millimetric droplet versus rms voltage for an ac frequency of 500 Hz. Plain line is the classical parabolic fit. The saturation phenomenon can be observed above 150 V.

Image of FIG. 4.
FIG. 4.

Jet reflection angle as function of the ac voltage (rms value) for a constant frequency of 1 kHz. Blue circles: increasing rms voltage, red squares: decreasing . Plain curves are averaged data as a guide to the eyes.

Image of FIG. 5.
FIG. 5.

Jet reflection angle as function of the ac frequency, for a constant rms voltage of 127 V. Both colors are for increasing (green circles) and decreasing (magenta squares) frequencies. Plain curves are averaged data as a guide to the eyes.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electrowetting control of bouncing jets