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Cited by 230

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On the effect of surface roughness height, wettability, and nanoporosity on Leidenfrost phenomena

Open access
Kim, Hyungdae, Truong, Bao, Buongiorno, Jacopo, Hu, Lin-Wen·2011·Applied Physics Letters

Abstract

In recent quenching heat transfer studies of nanofluids, it was found that deposition of nanoparticles on a surface raises its Leidenfrost point (LFP) considerably [Kim et al., Int. J. Multiphase Flow 35, 427 (2009) and Kim et al., Int. J. Heat Mass Transfer 53, 1542 (2010)]. To probe the physical mechanism underlying this observation, the effects of surface properties on LFP of water droplets were studied, using custom-fabricated surfaces for which roughness height, wettability, and porosity were controlled at the nanoscale. This approach reveals that nanoporosity is the crucial feature in efficiently increasing the LFP by initiating heterogeneous nucleation of bubbles during short-lived solid-liquid contacts, which results in disruption of the vapor film.

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Metadata

Authors
Kim, H., Truong, B., Buongiorno, J., & Hu, L.-W.
Venue
Applied Physics Letters
Published
2011-02-21
Volume
98
Issue
8
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
OpenAlex
W2006452808
Cited by
230
References
1
FWCI
5.30
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: On the effect of surface roughness height, wettability, and nanoporosity on Leidenfrost phenomena. https://app.cochat.ai/papers/10.1063/1.3560060
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Kim, H., Truong, B., Buongiorno, J., & Hu, L.-W. (2011). On the effect of surface roughness height, wettability, and nanoporosity on Leidenfrost phenomena. Applied Physics Letters. https://doi.org/10.1063/1.3560060

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