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To grate a liquid into tiny droplets by its impact on a hydrophobic microgrid
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10.1063/1.3275709
/content/aip/journal/apl/95/25/10.1063/1.3275709
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/25/10.1063/1.3275709

Figures

Image of FIG. 1.
FIG. 1.

Successive shots showing the impact of a water drop for different grids and impact velocity . (a) , Grid no. 2 and the subsequent “rain” of droplets emerging below the grid. (b) A sequence at threshold: a single tiny droplet emerges down the grid. , Grid no. 1 inverse. (c) A double-peaked distribution of emerging droplets. , Grid no. 1.

Image of FIG. 2.
FIG. 2.

SEM pictures (top and cross views) of a hydrophobic grid. The trapezoidal holes have and , respectively, as smaller and larger aperture.

Image of FIG. 3.
FIG. 3.

Number of emerging droplets for direct (top) and inverse (bottom) impact configurations.

Image of FIG. 4.
FIG. 4.

Weber number at threshold for direct (left) and inverse (right) impact configurations.

Image of FIG. 5.
FIG. 5.

Threshold We vs relative area of the holes.

Tables

Generic image for table
Table I.

Dimensions of the different grids. is the space between holes and is the diameter of the emitted droplets.

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/content/aip/journal/apl/95/25/10.1063/1.3275709
2009-12-21
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: To grate a liquid into tiny droplets by its impact on a hydrophobic microgrid
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/25/10.1063/1.3275709
10.1063/1.3275709
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