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Relaxation dynamics of a free elongated liquid ligament
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10.1063/1.2776363
/content/aip/journal/pof2/19/9/10.1063/1.2776363
http://aip.metastore.ingenta.com/content/aip/journal/pof2/19/9/10.1063/1.2776363

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the ligament end-pinching mechanism (Ref. 3).

Image of FIG. 2.
FIG. 2.

Schematic representation of an elongated ligament: (a) the full ligament with elliptic ends; (b) computational domain configuration.

Image of FIG. 3.
FIG. 3.

Pressure and velocity distribution during relaxation process: (a) pressure distribution along the axis of the ligament; (b) velocity profile. Density , viscosity , surface tension coefficient , . Grid spacing: .

Image of FIG. 4.
FIG. 4.

Flow field and pressure distribution immediately prior to breakup (magnified view): (a) flow field; (b) pressure distribution.

Image of FIG. 5.
FIG. 5.

Corrected schematic of the ligament end-pinching mechanism.

Image of FIG. 6.
FIG. 6.

Relaxation processes of the ligaments with different lengths. (a) ; (b) ; (c) ; (d) . Density , viscosity , surface tension coefficient , . Grid spacing: .

Image of FIG. 7.
FIG. 7.

Velocity field for ligaments of different lengths, . (a) ; (b) ; (c) ; (d) .

Image of FIG. 8.
FIG. 8.

Ligament relaxation process with different end shapes: (a) circular shape; (b) reference case (elliptic shape); (c) more elliptic shape; (d) pencil-head shape. Density , viscosity , surface tension coefficient , . Grid spacing: .

Image of FIG. 9.
FIG. 9.

(Color online) Relaxation process of an elongated ligament with a more elliptical end shape: (a) pressure distribution along the axis of the ligament; (b) flow fields in the region of interest. Density , viscosity , surface tension coefficient , . Grid spacing: .

Image of FIG. 10.
FIG. 10.

Relaxation processes of a ligament with different Oh numbers: (a) ; (b) ; (c) ; (d) .

Image of FIG. 11.
FIG. 11.

Breakup sequence of an elongated liquid ligament: (a) VOF-CSF; (b) CLSVOF-CSF. Dashed: ; dashed-dotted: ; solid: ; dotted: . Density , viscosity , surface tension coefficient , .

Tables

Generic image for table
Table I.

Relative differences of ligament volume between consecutively reduced grid sizes at one time instant.

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/content/aip/journal/pof2/19/9/10.1063/1.2776363
2007-09-18
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Relaxation dynamics of a free elongated liquid ligament
http://aip.metastore.ingenta.com/content/aip/journal/pof2/19/9/10.1063/1.2776363
10.1063/1.2776363
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