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Universal representations of evaporation modes in sessile droplets

Shaikeea, Angkur Jyoti Dipanka and Basu, Saptarshi and Tyagi, Abhishek and Sharma, Saksham and Hans, Rishabh and Bansal, Lalit (2017) Universal representations of evaporation modes in sessile droplets. In: PLOS ONE, 12 (9).

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Official URL: http://doi.org/10.1371/journal.pone.0184997

Abstract

In this work, we provide a simple method to represent the contact line dynamics of an evaporating sessile droplet. As a droplet evaporates, two distinct contact line dynamics are observed. They are collectively known as modes of evaporation, namely Constant Contact Radius (CCR) and Constant Contact Angle (CCA). Another intermediate mode-Stick-Slide (SS) or mixed mode is also commonly observed. In this article, we are able to provide a graphical representation to these modes (named as MOE plot), which is visually more comprehensive especially for comparative studies. In addition, the method facilitates quantitative estimation for mode of evaporation (named as MOE fraction or MOEf), which doesn't exist in literature. Thus, various substrates can now be compared based on mode of evaporation (or contact line dynamics), which are governed by fluid property and surface characteristics.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the PUBLIC LIBRARY SCIENCE, 1160 BATTERY STREET, STE 100, SAN FRANCISCO, CA 94111 USA
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 13 Oct 2017 04:53
Last Modified: 13 Oct 2017 04:53
URI: http://eprints.iisc.ac.in/id/eprint/58016

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