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Transient growth in a two-fluid channel flow under normal electric field
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10.1063/1.3233659
/content/aip/journal/pof2/21/9/10.1063/1.3233659
http://aip.metastore.ingenta.com/content/aip/journal/pof2/21/9/10.1063/1.3233659
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic description of the theoretical model.

Image of FIG. 2.
FIG. 2.

Effect of the normal electric field on the eigenvalue spectra for different wave numbers and Weber numbers.

Image of FIG. 3.
FIG. 3.

Effect of the normal electric field on the energy growth function for different wave numbers and Weber numbers.

Image of FIG. 4.
FIG. 4.

Typical contours of the optimal growth in the plane. The gray area in the plane corresponds to the region in which asymptotically exponential growth is found.

Image of FIG. 5.
FIG. 5.

Effect of the normal electric field on the peak values of (a) the wave numbers , and (b) the energy growth for .

Image of FIG. 6.
FIG. 6.

Optimal disturbance at (a) and (b) in the plane, contours, vectors, and interface displacement (solid line), corresponding to peak A in Fig. 4(a).

Image of FIG. 7.
FIG. 7.

Optimal disturbance at (a) and (b) in the plane, contours, vectors, and interface displacement (solid line), corresponding to peak B in Fig. 4(a).

Image of FIG. 8.
FIG. 8.

Optimal disturbance at (a) and (b) in the plane, contours, vectors, and interface displacement (solid line), corresponding to peak D in Fig. 4(b).

Image of FIG. 9.
FIG. 9.

Typical contours of the growth rate of the least stable mode in the plane.

Image of FIG. 10.
FIG. 10.

Effect of the normal electric field on [(a) and (c)] the wave numbers , and [(b) and (d)] the growth rate of the most unstable disturbances.

Image of FIG. 11.
FIG. 11.

Comparison of transient growth and exponential growth for different values of the electrical Euler number and Weber number.

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/content/aip/journal/pof2/21/9/10.1063/1.3233659
2009-09-22
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Transient growth in a two-fluid channel flow under normal electric field
http://aip.metastore.ingenta.com/content/aip/journal/pof2/21/9/10.1063/1.3233659
10.1063/1.3233659
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