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Improvement of heat transfer efficiency at solid-gas interfaces by self-assembled monolayers
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10.1063/1.4792530
/content/aip/journal/apl/102/6/10.1063/1.4792530
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/6/10.1063/1.4792530
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic diagram of the computational cell. Periodic boundary conditions are applied in all three directions. (b) Snapshot of Ar atoms on bare Au or Au|SAM surface at 300 K and 15 bars for ε sf/k B T = 0.342.

Image of FIG. 2.
FIG. 2.

Temperature profiles for (a) Au-Ar system and (b) Au|SAM-Ar system at 300 K, 15 bars, and ε sf/k B T = 0.342. The total heat flux is 16 MW/m2.

Image of FIG. 3.
FIG. 3.

Solid-gas interfacial thermal conductance as a function of solid-gas interaction strength ε sf. The horizontal dashed line indicates the theoretical maximum G K (2.00 MW/m2K). The uncertainties are determined from the analysis of six independent simulation runs. The inset is the average interaction time between gas atoms and the solid.

Image of FIG. 4.
FIG. 4.

TAC as a function of solid-gas interaction strength ε sf for (a) Ar-Au interface and (b) Ar-Au|SAM interface.

Image of FIG. 5.
FIG. 5.

Time correlation function of the interfacial heat power across the Au-Ar and Au|SAM-Ar interfaces in the case of ε sf/k B T = 0.17. The inset shows running integral of the time correlation function.

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/content/aip/journal/apl/102/6/10.1063/1.4792530
2013-02-13
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Improvement of heat transfer efficiency at solid-gas interfaces by self-assembled monolayers
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/6/10.1063/1.4792530
10.1063/1.4792530
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