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Impact of a compound droplet on a flat surface: A model for single cell epitaxy
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10.1063/1.3475527
/content/aip/journal/pof2/22/8/10.1063/1.3475527
http://aip.metastore.ingenta.com/content/aip/journal/pof2/22/8/10.1063/1.3475527

Figures

Image of FIG. 1.
FIG. 1.

Schematic illustration of the computational setup.

Image of FIG. 2.
FIG. 2.

Schematic illustration of the computational setup for slip contact line method.

Image of FIG. 3.
FIG. 3.

The normalized static droplet height vs Eötvös number in the range and . The solid and dashed lines denote the analytical solutions for the limiting cases of and , respectively. The inset shows the initial conditions for the droplet relaxation test.

Image of FIG. 4.
FIG. 4.

Time evolution of the spread factor of simple glycerin droplet spreading on the wax substrate.

Image of FIG. 5.
FIG. 5.

(a) The sketch for buoyancy-driven compound droplet. (b) Comparison of the compound drop shapes obtained computationally by the present method (right) and experimentally by Mori (left). The dimensionless parameters are , , , , , .

Image of FIG. 6.
FIG. 6.

Shape evolution of compound droplet at , , , , , . The present results (solid lines on the right side) are compared with those of Bazhlekov et al. (dashed lines on the left side).

Image of FIG. 7.
FIG. 7.

The velocities of the top and bottom points of the compound drop at , , , , , . The present results (solid lines) are compared with the results of Bazhlekov et al. (dashed lines).

Image of FIG. 8.
FIG. 8.

Evolution of compound droplet impacting on a flat surface [(left half) pressure contours and (right half) pressure distribution on the surface of the cell]. Time evolves from left to right and from top to bottom and the snapshots are taken at times , 0.0541, 0.1351, 0.2162, 0.2703, 0.5135, 1.0270, and 3.8432 (, , , , and ).

Image of FIG. 9.
FIG. 9.

Evolution of compound droplet impacting on a flat surface [(left half) velocity vectors and (right half) shear contours]. Time evolves from left to right and from top to bottom and the snapshots are taken at times , 0.0541, 0.1351, 0.2162, 0.2703, 0.5135, 1.0270, and 3.8432 (, , , , and ).

Image of FIG. 10.
FIG. 10.

(a) Spread factor and (b) dynamic contact angle vs nondimensional time for , 20, 30, 40, and 45 (, , , and ).

Image of FIG. 11.
FIG. 11.

Deformation and rate of deformation vs nondimensional time for , 20, 30, 40, and 45 (, , , and ).

Image of FIG. 12.
FIG. 12.

(a) Spread factor and (b) dynamic contact angle vs nondimensional time for , 0.5, 1.0, 2.0, 5.0, and 10.0 (, , , and ).

Image of FIG. 13.
FIG. 13.

(a) Deformation and (b) rate of deformation vs nondimensional time for , 0.5, 1.0, 2.0, 5.0, and 10.0 (, , , and ).

Image of FIG. 14.
FIG. 14.

(a) Spread factor and (b) dynamic contact angle vs nondimensional time for , 2.0, 2.5, 2.85, 3.0, and 3.5 (, , , and ).

Image of FIG. 15.
FIG. 15.

Deformation and rate of deformation vs nondimensional time for , 2.0, 2.5, 2.85, 3.0, and 3.5 (, , , and ).

Image of FIG. 16.
FIG. 16.

(a) Spread factor and (b) dynamic contact angle vs nondimensional time for , 20, 50, 500, 2541, and 5000 (, , , and ).

Image of FIG. 17.
FIG. 17.

Deformation and rate of deformation vs nondimensional time for , 20, 50, 500, 2541, and 5000 (, , , and ).

Image of FIG. 18.
FIG. 18.

(a) Spread factor and (b) dynamic contact angle vs nondimensional time for , 5, 10, 20, and 40 (, , , and ).

Image of FIG. 19.
FIG. 19.

Deformation and rate of deformation vs nondimensional time for , 5, 10, 20, and 40 (, , , and ).

Image of FIG. 20.
FIG. 20.

(a) Spread factor and (b) dynamic contact angle vs nondimensional time for , 45°, 60°, 75°, 90°, 105°, and 120° (, , , , and ).

Image of FIG. 21.
FIG. 21.

Deformation and rate of deformation vs nondimensional time for , 45°, 60°, 75°, 90°, 105°, and 120° (, , , , and ).

Image of FIG. 22.
FIG. 22.

Evolution of compound droplet (, , , , and ).

Tables

Generic image for table
Table I.

List of cases used for validation.

Generic image for table
Table II.

Density and viscosity values of three phases.

Generic image for table
Table III.

Viabilities of cells.

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/content/aip/journal/pof2/22/8/10.1063/1.3475527
2010-08-18
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Impact of a compound droplet on a flat surface: A model for single cell epitaxy
http://aip.metastore.ingenta.com/content/aip/journal/pof2/22/8/10.1063/1.3475527
10.1063/1.3475527
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