Effect of Wetting on Drop Splashing of Newtonian Fluids and Blood

We investigate the impact velocity beyond which the ejection of smaller droplets from the main droplet (splashing) occurs for droplets of different liquids impacting different smooth surfaces. We examine its dependence on the surface wetting properties and droplet surface tension. We show that the s...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 34(2018), 18 vom: 08. Mai, Seite 5163-5168
1. Verfasser: de Goede, T C (VerfasserIn)
Weitere Verfasser: Laan, N, de Bruin, K G, Bonn, D
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a We investigate the impact velocity beyond which the ejection of smaller droplets from the main droplet (splashing) occurs for droplets of different liquids impacting different smooth surfaces. We examine its dependence on the surface wetting properties and droplet surface tension. We show that the splashing velocity is independent of the wetting properties of the surface but increases roughly linearly with increasing surface tension of the liquid. A preexisting splashing model and simplification are considered that predict the splashing velocity by incorporating the air viscosity. Both the splashing model and simplification give a good prediction of the splashing velocity for each surface and liquid, demonstrating the robustness of the splashing model. We also show that the splashing model can also predict the splashing velocity of blood, a shear-thinning fluid 
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700 1 |a de Bruin, K G  |e verfasserin  |4 aut 
700 1 |a Bonn, D  |e verfasserin  |4 aut 
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