Simulation of the formation of a coffee ring structure during drying a droplet containing suspended particles

TitleSimulation of the formation of a coffee ring structure during drying a droplet containing suspended particles
Publication TypeJournal Article
Year of Publication2014
AuthorsBulavin, LA, Khrapatiy, SV, Lebovka, NI, Vygornitskii, NV, Pyvovarova, NS
Abbreviated Key TitleDopov. Nac. akad. nauk Ukr.
DOI10.15407/dopovidi2014.12.071
Issue12
SectionPhysics
Pagination71-76
Date Published12/2014
LanguageUkrainian
Abstract

The Monte-Carlo method is applied to study the process of formation of a coffee ring structure during drying a droplet containing suspended particles. The calculations are performed for the two-dimensional model of droplet, by accounting for the radial flow of suspended particles directed toward the line of the three-phase contact. The dependencies of the coffee ring width on the initial concentration of particles and the coefficient of radial flow are investigated.
Keywordscoffee ring, drying a droplet, suspended particles
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