Simulation of the formation of a coffee ring structure during drying a droplet containing suspended particles
DOI:
https://doi.org/10.15407/dopovidi2014.12.071Keywords:
coffee ring, drying a droplet, suspended particlesAbstract
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.
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