The Physics of Microdroplets, Chapter 8 book cover

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Fig. 8-5 Droplet on a horizontal wire.

Fig_8_5_a.gif Fig_8_5_b.gif Guide constraint 5 to keep contact line vertices spaced out. Gravitational energy as named quantity using y vector since not using explicit contact facets, and corrections to ordinary gravity ugly. Rod triangulation carefully done.

Datafile: Fig_8_5_a.fe and Fig_8_5_b.fe


Fig. 8-6 Droplet pierced by a wire.

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Datafiles: Fig_8_6_a.fe Fig_8_6_b.fe

Fig_8_6_a.gif Fig_8_6_b.gif But hydrophobic drop cannot be symmetric because nodoid beyond pi/2 is unstable. In fact, has to be distinctly hydrophilic to be stable.

Datafiles: Fig_8_6_c.fe Fig_8_6_d.fe


Fig. 8-7 Barrel and clamshell droplets.

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Datafile: Fig_8_7.fe


Fig. 8-8 Water drop on wire, clamshell configuration.

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Fig. 8-9 Detaching droplet.

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Datafile: Fig_8_9_b.fe


Fig. 8-10 Grounded electrode droplet on a wire.

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Fig. 8-12 Sessile droplets pierced by wires.

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Fig. 8-16 Filament between rails.

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Datafile: Fig_8_16.fe


Fig. 8-17 Advancing front between rails.

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Fig. 8-19 Liquid in groove with filaments.

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Fig. 8-22 Asymmetric groove.

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Datafile: Fig_8_22.fe


Fig. 8-23 Asymmetric groove view.

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Datafile: Fig_8_23_b.fe


Fig. 8-25 More asymmetric grooves.

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Datafile: Fig_8_25.fe


Fig. 8-27 Trapezoidal groove.

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Datafile: Fig_8_27_a.fe Fig_8_27_b.fe


Fig. 8-28 Semicircular groove.

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Datafile: Fig_8_28_b.fe Fig_8_28_b.fe


Table 8-1 Various channel geometries.

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Table_8_1_halfpipe.gif

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Table_8_1_rail.gif

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Table_8_1_rectgroove.gif

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Table_8_1_trap.gif

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Table_8_1_triangle.gif

Datafile: Table_8_1_triangle.fe


Fig. 8-30 DFroplet over cracks.

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Datafile: Fig_8_30_b.fe Fig_8_30_c.fe


Fig. 8-31 Channel with V-floor.

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Datafiles: Fig_8_31.fe


Fig. 8-32 Channel with grooved floor.

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Fig. 8-34 Grooved floor without walls.

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Fig. 8-35 Diverging groove.

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Datafiles: Fig_8_35_a.fe Fig_8_35_b.fe


Fig. 8-38 X-shaped groove.

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Datafile: Fig_8_34.fe


Fig. 8-39 U-groove with a hole.

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Datafile: Fig_8_39.fe


Fig. 8-41 Flow around hole in floor of channel.

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Datafile: Fig_8_41_a.fe


Fig. 8-43 Droplet dispensing device.

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Datafile: Fig_8_43_c.fe


Fig. 8-45 Sharp vs. rounded corner.

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Datafile: Fig_8_45_a.fe Fig_8_45_b.fe

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Datafile: Fig_8_45_c.fe Fig_8_45_d.fe


Fig. 8-47 Liquid bridge between parallel fibers.

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Datafile: Fig_8_47.fe


Fig. 8-48 Evaporating droplet between fibers.

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Datafile: Fig_8_48.fe

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Fig. 8-49 Intersecting hydrophilic fibers.

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Datafile: Fig_8_49.fe


Fig. 8-50 Droplet spreading between fibers.

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Datafiles: Fig_8_50_a.fe Fig_8_50_b.fe Fig_8_50_c.fe


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