Coalescence of Two Drops on Partially Wettable Substrates
2012
Lee, Min Wook | Kang, Dong Kyun | Yoon, Sam S. | Yarin, Alexander L.
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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