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Numerical study of flow characteristics behind a stationary circular cylinder with a flapping plate
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10.1063/1.3601484
/content/aip/journal/pof2/23/7/10.1063/1.3601484
http://aip.metastore.ingenta.com/content/aip/journal/pof2/23/7/10.1063/1.3601484

Figures

Image of FIG. 1.
FIG. 1.

Flow over a stationary cylinder with a flapping plate.

Image of FIG. 2.
FIG. 2.

(Color online) Instantaneous vorticity contours and streamlines of flow over a stationary cylinder with a plate at Re = 100.

Image of FIG. 3.
FIG. 3.

(Color online) Flow patterns vary with flapping frequency at constant flapping amplitude : (a) , (b) .

Image of FIG. 4.
FIG. 4.

(Color online) Flow patterns vary with flapping frequency at constant flapping amplitude : (a) , (b) , (c) , (d) , (e) , (f) .

Image of FIG. 5.
FIG. 5.

(Color online) Flow patterns vary with flapping frequency at constant flapping amplitude : (a) , (b) , (c) , (d) , (e) , (f) .

Image of FIG. 6.
FIG. 6.

(Color online) Flow patterns vary with flapping frequency at constant flapping amplitude : (a) , (b) , (c) , (d) , (e) , (f) .

Image of FIG. 7.
FIG. 7.

(Color online) Flow patterns vary with flapping frequency at constant flapping amplitude : (a) , (b) , (c) , (d) , (e) , (f) .

Image of FIG. 8.
FIG. 8.

(Color online) Time histories of drag and lift coefficients and their phase diagram vary with flapping frequency at constant flapping amplitude : (a) , (b) , (c) , (d) , (e) .

Image of FIG. 9.
FIG. 9.

(Color online) Drag and lift coefficient phase diagram varies with flapping frequency at constant flapping amplitude : (a) , (b) .

Image of FIG. 10.
FIG. 10.

(Color online) Mean drag coefficient varies with flapping frequency at different flapping amplitudes.

Image of FIG. 11.
FIG. 11.

(Color online) Amplitude of drag and lift coefficient fluctuations varies with flapping frequency at different flapping amplitudes; (a) , (b) .

Image of FIG. 12.
FIG. 12.

(Color online) Effectiveness of drag reduction varies with flapping frequency at different flapping amplitudes.

Image of FIG. 13.
FIG. 13.

(Color online) Flow patterns at by changing plate length at two frequencies.

Image of FIG. 14.
FIG. 14.

(Color online) Variation of mean drag coefficients at different plate length.

Image of FIG. 15.
FIG. 15.

(Color online) Phase diagram of and at two frequencies.

Image of FIG. 16.
FIG. 16.

(Color online) Evolution of near-wake structure in a flapping period at and .

Image of FIG. 17.
FIG. 17.

(Color online) Evolution of near-wake structure in a flapping period at and .

Tables

Generic image for table
Table I.

Parametric study of flows over a stationary cylinder with a flapping plate with l = d at Re = 100.

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/content/aip/journal/pof2/23/7/10.1063/1.3601484
2011-07-15
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Numerical study of flow characteristics behind a stationary circular cylinder with a flapping plate
http://aip.metastore.ingenta.com/content/aip/journal/pof2/23/7/10.1063/1.3601484
10.1063/1.3601484
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