NDLI: Nucleate boiling performance on nano/microstructures with different wetting surfaces.

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Nucleate boiling performance on nano/microstructures with different wetting surfaces.

Content Provider	Europe PMC
Author	Jo, HangJin Kim, SeolHa Kim, Hyungmo Kim, Joonwon Kim, Moo Hwan
Copyright Year	2012
Abstract	A study of nucleate boiling phenomena on nano/microstructures is a very basic and useful study with a view to the potential application of modified surfaces as heating surfaces in a number of fields. We present a detailed study of boiling experiments on fabricated nano/microstructured surfaces used as heating surfaces under atmospheric conditions, employing identical nanostructures with two different wettabilities (silicon-oxidized and Teflon-coated). Consequently, enhancements of both boiling heat transfer (BHT) and critical heat flux (CHF) are demonstrated in the nano/microstructures, independent of their wettability. However, the increment of BHT and CHF on each of the different wetting surfaces depended on the wetting characteristics of heating surfaces. The effect of water penetration in the surface structures by capillary phenomena is suggested as a plausible mechanism for the enhanced CHF on the nano/microstructures regardless of the wettability of the surfaces in atmospheric condition. This is supported by comparing bubble shapes generated in actual boiling experiments and dynamic contact angles under atmospheric conditions on Teflon-coated nano/microstructured surfaces.
ISSN	19317573
Journal	Nanoscale Research Letters
Volume Number	7
PubMed Central reference number	PMC3420310
Issue Number	1
PubMed reference number	22559173
e-ISSN	1556276X
DOI	10.1186/1556-276x-7-242
Language	English
Publisher	Springer
Publisher Date	2012-05-06
Access Restriction	Open
Rights License	This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Copyright ©2012 Jo et al.; licensee Springer.
Subject Keyword	nano/microstructure nucleate boiling heat transfer critical heat flux surface wettability capillary effect
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Condensed Matter Physics Materials Science

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