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Deformation of a droplet in a particulate shear flow
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10.1063/1.3205446
/content/aip/journal/pof2/21/9/10.1063/1.3205446
http://aip.metastore.ingenta.com/content/aip/journal/pof2/21/9/10.1063/1.3205446
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the problem.

Image of FIG. 2.
FIG. 2.

The physical domain and the computational domain (top right quarter). The drop is showed at with deformation proportional to the second spherical harmonic and (axis of symmetry is horizontal).

Image of FIG. 3.
FIG. 3.

Oscillation of the drop with and initial deformation proportional to the second spherical harmonic, . (a) Aspect ratio of the drop: solid line is the present axisymmetric result and dashed line is the result of Basaran (Ref. 22). (b) Total volume of the drop normalized by its initial value.

Image of FIG. 4.
FIG. 4.

Oscillation of the drop with and initial deformation proportional to the second spherical harmonic, . Solid line is the axisymmetric result and dashed line is the three-dimensional result ( uniform grid).

Image of FIG. 5.
FIG. 5.

Oscillation of the drop with and initial shape of spheroid. Solid line is the present axisymmetric result and dashed line is the analytical solution of small amplitude oscillation.

Image of FIG. 6.
FIG. 6.

Deformation of a droplet in a particulate shear flow. , , , , , , and . The mesh size is 1/19 of the droplet diameter and the time step is 0.053.

Image of FIG. 7.
FIG. 7.

Velocity vectors and contour plots of the components of vorticity in the plane for a droplet in a particulate shear flow. , , , , and at . The mesh size is 1/19 of the droplet diameter and the time step is 0.053.

Image of FIG. 8.
FIG. 8.

Mesh size and time step independency test. , , , , and . (a) The mesh size is 1/19 of the droplet diameter and the time step is 0.053. (b) The mesh size is 1/27 of the droplet diameter and the time step is 0.038. (c) The mesh size is 1/19 of the droplet diameter and the time step is 0.026.

Image of FIG. 9.
FIG. 9.

Deformation of a droplet in a simple shear flow at . , , , and . The mesh size is 1/19 of the droplet diameter and the time step is 0.053.

Image of FIG. 10.
FIG. 10.

Deformation of a droplet in a particulate shear flow. , , , , , , and . The mesh size is 1/24 of the droplet diameter and the time step is 0.042.

Image of FIG. 11.
FIG. 11.

Deformation of a droplet in a particulate shear flow. , , , , , , and . The mesh size is 1/19 of the droplet diameter and the time step is 0.053.

Image of FIG. 12.
FIG. 12.

Deformation of a droplet in a particulate shear flow. Dimensionless droplet’s major axis and dimensionless hole size as a function of time. , , , , and .

Image of FIG. 13.
FIG. 13.

Deformation of a droplet in a particulate shear flow. , , , , , and . The mesh size is 1/19 of the droplet diameter and the time step is 0.1.

Image of FIG. 14.
FIG. 14.

Deformation of a droplet in a simple shear flow at . , , , and .

Image of FIG. 15.
FIG. 15.

Deformation of a droplet in a particulate shear flow. , , , , , and . The mesh size is 1/19 of the droplet diameter and the time step is 0.01.

Image of FIG. 16.
FIG. 16.

Deformation of a droplet in a simple shear flow at . , , , and .

Image of FIG. 17.
FIG. 17.

Generation of a perforation in the center of a droplet in a particulate shear flow. and .

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/content/aip/journal/pof2/21/9/10.1063/1.3205446
2009-09-08
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Deformation of a droplet in a particulate shear flow
http://aip.metastore.ingenta.com/content/aip/journal/pof2/21/9/10.1063/1.3205446
10.1063/1.3205446
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