NDLI: Coalescence of pendant droplets on an inclined super-hydrophobic substrate

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Coalescence of pendant droplets on an inclined super-hydrophobic substrate

Content Provider	Semantic Scholar
Author	Sikarwar, Basant S. Khanderkar, Sameer Muralidhar, Krishnamurthy
Copyright Year	2013
Abstract	Dynamics of micro droplets, coalescence underneath an inclined hydrophobic surface is explored, experimentally as well as computationally. Such a situation often arises during dropwise condensation, atmospheric dew formation, condensation in green houses, and metal vapor condensation during enrichment process, etc. Coalescence induced instability in the pendant mode is an effective means of passively enhancing heat transfer coefficient during dropwise condensation. Inclined substrates have natural advantages in terms of rendering effective passive sweeping of drops from the substrate, thereby exposing fresh preferred sites for renucleation. As compared to coalescences of sessile droplets, pendant mode induces flow instabilities at a much faster rate, thereby enhancing the associated heat/ mass transport characteristics. Against this background, the present study reports an experiment involving the coalescence of water drops in pendant mode on an inclined hydrophobic copper substrate of size 20 mm × 20 mm ...
Starting Page	505
Ending Page	512
Page Count	8
File Format	PDF HTM / HTML
DOI	10.1063/1.4816902
Volume Number	1547
Alternate Webpage(s)	http://home.iitk.ac.in/~samkhan/Bio_data/publications/Khandekar_Conf_45.pdf
Alternate Webpage(s)	http://home.iitk.ac.in/~samkhan/Bio_data/publications/Khandekar_Conf_44.pdf
Alternate Webpage(s)	https://doi.org/10.1063/1.4816902
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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