Modelling Sessile Droplet Profile Using Asymmetrical Ellipses

Modelling the profile of a liquid droplet has been a mainstream technique for researchers to study the physical properties of a liquid. This study proposes a facile modelling approach using an elliptic model to generate the profile of sessile droplets, with MATLAB as the simulation environment. The...

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Autores principales:	Du Tuan Tran, Nhat-Khuong Nguyen, Pradip Singha, Nam-Trung Nguyen, Chin Hong Ooi
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	surface tension droplet profile liquid marble non-wetting droplet microfluidics Chemical technology TP1-1185 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/21a794a868b14295bb66c0e73b2e1d4a
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id	oai:doaj.org-article:21a794a868b14295bb66c0e73b2e1d4a
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spelling	oai:doaj.org-article:21a794a868b14295bb66c0e73b2e1d4a2021-11-25T18:52:09ZModelling Sessile Droplet Profile Using Asymmetrical Ellipses10.3390/pr91120812227-9717https://doaj.org/article/21a794a868b14295bb66c0e73b2e1d4a2021-11-01T00:00:00Zhttps://www.mdpi.com/2227-9717/9/11/2081https://doaj.org/toc/2227-9717Modelling the profile of a liquid droplet has been a mainstream technique for researchers to study the physical properties of a liquid. This study proposes a facile modelling approach using an elliptic model to generate the profile of sessile droplets, with MATLAB as the simulation environment. The concept of the elliptic method is simple and easy to use. Only three specific points on the droplet are needed to generate the complete theoretical droplet profile along with its critical parameters such as volume, surface area, height, and contact radius. In addition, we introduced fitting coefficients to accurately determine the contact angle and surface tension of a droplet. Droplet volumes ranging from 1 to 300 µL were chosen for this investigation, with contact angles ranging from 90° to 180°. Our proposed method was also applied to images of actual water droplets with good results. This study demonstrates that the elliptic method is in excellent agreement with the Young–Laplace equation and can be used for rapid and accurate approximation of liquid droplet profiles to determine the surface tension and contact angle.Du Tuan TranNhat-Khuong NguyenPradip SinghaNam-Trung NguyenChin Hong OoiMDPI AGarticlesurface tensiondroplet profileliquid marblenon-wetting dropletmicrofluidicsChemical technologyTP1-1185ChemistryQD1-999ENProcesses, Vol 9, Iss 2081, p 2081 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	surface tension droplet profile liquid marble non-wetting droplet microfluidics Chemical technology TP1-1185 Chemistry QD1-999
spellingShingle	surface tension droplet profile liquid marble non-wetting droplet microfluidics Chemical technology TP1-1185 Chemistry QD1-999 Du Tuan Tran Nhat-Khuong Nguyen Pradip Singha Nam-Trung Nguyen Chin Hong Ooi Modelling Sessile Droplet Profile Using Asymmetrical Ellipses
description	Modelling the profile of a liquid droplet has been a mainstream technique for researchers to study the physical properties of a liquid. This study proposes a facile modelling approach using an elliptic model to generate the profile of sessile droplets, with MATLAB as the simulation environment. The concept of the elliptic method is simple and easy to use. Only three specific points on the droplet are needed to generate the complete theoretical droplet profile along with its critical parameters such as volume, surface area, height, and contact radius. In addition, we introduced fitting coefficients to accurately determine the contact angle and surface tension of a droplet. Droplet volumes ranging from 1 to 300 µL were chosen for this investigation, with contact angles ranging from 90° to 180°. Our proposed method was also applied to images of actual water droplets with good results. This study demonstrates that the elliptic method is in excellent agreement with the Young–Laplace equation and can be used for rapid and accurate approximation of liquid droplet profiles to determine the surface tension and contact angle.
format	article
author	Du Tuan Tran Nhat-Khuong Nguyen Pradip Singha Nam-Trung Nguyen Chin Hong Ooi
author_facet	Du Tuan Tran Nhat-Khuong Nguyen Pradip Singha Nam-Trung Nguyen Chin Hong Ooi
author_sort	Du Tuan Tran
title	Modelling Sessile Droplet Profile Using Asymmetrical Ellipses
title_short	Modelling Sessile Droplet Profile Using Asymmetrical Ellipses
title_full	Modelling Sessile Droplet Profile Using Asymmetrical Ellipses
title_fullStr	Modelling Sessile Droplet Profile Using Asymmetrical Ellipses
title_full_unstemmed	Modelling Sessile Droplet Profile Using Asymmetrical Ellipses
title_sort	modelling sessile droplet profile using asymmetrical ellipses
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/21a794a868b14295bb66c0e73b2e1d4a
work_keys_str_mv	AT dutuantran modellingsessiledropletprofileusingasymmetricalellipses AT nhatkhuongnguyen modellingsessiledropletprofileusingasymmetricalellipses AT pradipsingha modellingsessiledropletprofileusingasymmetricalellipses AT namtrungnguyen modellingsessiledropletprofileusingasymmetricalellipses AT chinhongooi modellingsessiledropletprofileusingasymmetricalellipses
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Modelling Sessile Droplet Profile Using Asymmetrical Ellipses

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