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Scaling of maximum velocity, body force, and power consumption of dielectric barrier discharge plasma actuators via particle image velocimetry
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10.1063/1.4811225
/content/aip/journal/jap/113/24/10.1063/1.4811225
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/24/10.1063/1.4811225

Figures

Image of FIG. 1.
FIG. 1.

Plasma actuator configuration tested including a definition of the important geometric parameters and a schematic of the control volume used in the analysis.

Image of FIG. 2.
FIG. 2.

Applied voltage against consumed power for two dielectric thicknesses ( = 4 kHz).

Image of FIG. 3.
FIG. 3.

Variation of the maximum average velocity, , and body force, against applied voltage, ( = 0.36 mm and  = 4 kHz).

Image of FIG. 4.
FIG. 4.

(a) Normalized velocity profiles at  = 25 mm downstream of the exposed electrode trailing edge for Config. K1 (filled symbols for  > 10 kV) and (b) Reynolds number against the standard deviation in the component of velocity at two fixed locations and three dielectric thicknesses.

Image of FIG. 5.
FIG. 5.

Effect of dielectric thickness on the maximum average velocity, , and body force, , against applied voltage, .

Image of FIG. 6.
FIG. 6.

Plasma length, , and the relative standard deviation of the plasma length, , against operating voltage, ( = 0.36 mm and  = 4 kHz). Labels next to the symbols quote the standard deviation at each voltage.

Image of FIG. 7.
FIG. 7.

Variation of the maximum average velocity, , and body force, against plasma length, Δx, for Config. K1 ( = 0.36 mm and  = 4 kHz).

Image of FIG. 8.
FIG. 8.

Ensemble averaged velocity magnitude contours for actuator Config. K1 at different phases of the AC cycle for = 10 kV.

Image of FIG. 9.
FIG. 9.

Variation of (a)–(c) and -velocity probed at (, ) = (2, 0.5) and (d)–(f) body force, , against phase angle, , for Config. K1 at three different voltages. To indicate the phase between , , and and the applied voltage , the latter is included to the diagrams (solid lines, right ordinates). Note: the data for are copy of the data between and the scales change for each applied voltage.

Image of FIG. 10.
FIG. 10.

(a) Cyclogram of the average maximum phase velocity, , against corresponding location, , for  = 7 kV indicated by the black line with the extent of variation at each phase represented by the enclosed shapes and (b)–(c) the equivalent normalized average trends with the -axis non-dimensionalized by and the -axis by (b) the corresponding location, and (c) the plasma length, for all three voltages.

Tables

Generic image for table
Table I.

Actuator configurations and test matrix implemented in the experiments. Note: all dimensions are in mm unless otherwise stated. For all actuators  = 6.35 mm,  = 19.05 mm, and  = 80 m.

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/content/aip/journal/jap/113/24/10.1063/1.4811225
2013-06-26
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Scaling of maximum velocity, body force, and power consumption of dielectric barrier discharge plasma actuators via particle image velocimetry
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/24/10.1063/1.4811225
10.1063/1.4811225
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