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Spatial instability of coflowing liquid-gas jets in capillary flow focusing
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10.1063/1.3490066
/content/aip/journal/pof2/22/11/10.1063/1.3490066
http://aip.metastore.ingenta.com/content/aip/journal/pof2/22/11/10.1063/1.3490066
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Sketch of the jet geometry.

Image of FIG. 2.
FIG. 2.

Eigenvalue spectrum for . (a) Effect of and at . (b) Effect of at and . , , , , , , and .

Image of FIG. 3.
FIG. 3.

Effect of We on (a) the spatial growth rate and (b) the axial wave number . —: and ----: . , , , , and .

Image of FIG. 4.
FIG. 4.

Effect of Re on (a) the spatial growth rate and (b) the axial wave number . —: and ----: . , , , , and .

Image of FIG. 5.
FIG. 5.

(a) The maximum spatial growth rate vs We; (b) vs Re. , , , and .

Image of FIG. 6.
FIG. 6.

Effect of (a) , (b) , (c) , and (d) on the spatial growth rate . —: and ----: . The reference state is , , , , , and .

Image of FIG. 7.
FIG. 7.

(a) Flow modes in experiments on the Re-We plane, where the symbols stand for the experimental boundaries between different flow modes and the curves for numerical results predicted by the spatial instability analysis; (b) the helical jetting mode, and ; (c) the coexisting jetting mode, and ; and (d) the axisymmetric jetting mode, and . , , , , and .

Image of FIG. 8.
FIG. 8.

Results of the temporal instability analysis. (a) Effect of We on the growth rate ; —: , and ----: . (b) The value of vs We. , , , , and .

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/content/aip/journal/pof2/22/11/10.1063/1.3490066
2010-11-02
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spatial instability of coflowing liquid-gas jets in capillary flow focusing
http://aip.metastore.ingenta.com/content/aip/journal/pof2/22/11/10.1063/1.3490066
10.1063/1.3490066
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