Coalescence of two drops on partially wettable substrates

Min Wook Lee; Dong Kyun Kang; Sam S. Yoon; Alexander L. Yarin

doi:10.1021/la204867c

Coalescence of two drops on partially wettable substrates

Min Wook Lee, Dong Kyun Kang, Sam S. Yoon, Alexander L. Yarin

Research output: Contribution to journal › Article › peer-review

81 Citations (Scopus)

Abstract

The present work contains the results of the experiments with two tiny drops on partially wettable substrates with contact angles of 10°, 24°, 27°, and 56°, which coalesce in the regime entirely dominated by viscous forces. Both side and bottom views are examined. The results for these three-dimensional coalescence flows are compared with scaling laws and the numerical two-dimensional model developed in the present work.

Original language	English
Pages (from-to)	3791-3798
Number of pages	8
Journal	Langmuir
Volume	28
Issue number	8
DOIs	https://doi.org/10.1021/la204867c
Publication status	Published - 2012 Feb 28

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Surfaces and Interfaces
Spectroscopy
Electrochemistry

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10.1021/la204867c

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abstract = "The present work contains the results of the experiments with two tiny drops on partially wettable substrates with contact angles of 10°, 24°, 27°, and 56°, which coalesce in the regime entirely dominated by viscous forces. Both side and bottom views are examined. The results for these three-dimensional coalescence flows are compared with scaling laws and the numerical two-dimensional model developed in the present work.",

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AB - The present work contains the results of the experiments with two tiny drops on partially wettable substrates with contact angles of 10°, 24°, 27°, and 56°, which coalesce in the regime entirely dominated by viscous forces. Both side and bottom views are examined. The results for these three-dimensional coalescence flows are compared with scaling laws and the numerical two-dimensional model developed in the present work.

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Coalescence of two drops on partially wettable substrates

Abstract

ASJC Scopus subject areas

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