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On the effect of surface roughness height, wettability, and nanoporosity on Leidenfrost phenomena
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10.1063/1.3560060
/content/aip/journal/apl/98/8/10.1063/1.3560060
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/8/10.1063/1.3560060

Figures

Image of FIG. 1.
FIG. 1.

SEM images of fabricated samples for LFP tests: (a) smooth Au layer; (b) posts on smooth Au layer; (c) posts on smooth layer; (d) LBL layer. Insets show static equilibrium contact angle on the fabricated samples for water droplets on (a) smooth Au (83°), (b) Au with microposts (83°), (c) layer (19°), and (d) nanoporous layer .

Image of FIG. 2.
FIG. 2.

Water droplet evaporation time vs surface temperature. The error bars attached to the filled pink diamond symbols represent the standard deviation of nominally identical tests on the smooth Au-coated surface. The nominal uncertainty in the measurement of the LFP temperature was found to be less than .

Image of FIG. 3.
FIG. 3.

Photographs of evaporating water droplets on test surfaces held at : (a) Au without posts; (b) Au with posts; (c) with posts; (d) nanoporous layer with posts. Arrows show location of droplet-to-surface bridging by liquid filaments.

Tables

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Table I.

Summary of LFP temperatures for water on the test surfaces .

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/content/aip/journal/apl/98/8/10.1063/1.3560060
2011-02-25
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: On the effect of surface roughness height, wettability, and nanoporosity on Leidenfrost phenomena
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/8/10.1063/1.3560060
10.1063/1.3560060
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