Numerical simulation of the drying of inkjet-printed droplets

D.P. Siregar, Johannes G.M. Kuerten, C.W.M. van der Geld

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

In this paper we study the behavior of an inkjet-printed droplet of a solute dissolved in a solvent on a solid horizontal surface by numerical simulation. An extended model for drying of a droplet and the final distribution of the solute on an impermeable substrate is proposed. The model extends the work by Deegan, Fischer and Kuerten by taking into account convection, diffusion and adsorption of the solute in order to describe more accurately the surface coverage on the substrate. A spherically shaped droplet is considered such that the model can be formulated as an axially symmetric problem. The droplet dynamics is driven by the combined action of surface tension and evaporation. The fluid flow in the droplet is modeled by the Navier–Stokes equation and the continuity equation, where the lubrication approximation is applied. The rate of evaporation is determined by the distribution of vapor pressure in the air surrounding the droplet. Numerical results are compared with experimental results for droplets of various sizes.
Original languageUndefined
Pages (from-to)388-395
Number of pages8
JournalJournal of colloid and interface science
Volume392
DOIs
Publication statusPublished - 2013

Keywords

  • EWI-23814
  • Adsorption
  • Evaporation
  • IR-87535
  • Droplet
  • Spreading
  • METIS-300071
  • Fluid Dynamics

Cite this

Siregar, D.P. ; Kuerten, Johannes G.M. ; van der Geld, C.W.M. / Numerical simulation of the drying of inkjet-printed droplets. In: Journal of colloid and interface science. 2013 ; Vol. 392. pp. 388-395.
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abstract = "In this paper we study the behavior of an inkjet-printed droplet of a solute dissolved in a solvent on a solid horizontal surface by numerical simulation. An extended model for drying of a droplet and the final distribution of the solute on an impermeable substrate is proposed. The model extends the work by Deegan, Fischer and Kuerten by taking into account convection, diffusion and adsorption of the solute in order to describe more accurately the surface coverage on the substrate. A spherically shaped droplet is considered such that the model can be formulated as an axially symmetric problem. The droplet dynamics is driven by the combined action of surface tension and evaporation. The fluid flow in the droplet is modeled by the Navier–Stokes equation and the continuity equation, where the lubrication approximation is applied. The rate of evaporation is determined by the distribution of vapor pressure in the air surrounding the droplet. Numerical results are compared with experimental results for droplets of various sizes.",
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Numerical simulation of the drying of inkjet-printed droplets. / Siregar, D.P.; Kuerten, Johannes G.M.; van der Geld, C.W.M.

In: Journal of colloid and interface science, Vol. 392, 2013, p. 388-395.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Numerical simulation of the drying of inkjet-printed droplets

AU - Siregar, D.P.

AU - Kuerten, Johannes G.M.

AU - van der Geld, C.W.M.

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PY - 2013

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N2 - In this paper we study the behavior of an inkjet-printed droplet of a solute dissolved in a solvent on a solid horizontal surface by numerical simulation. An extended model for drying of a droplet and the final distribution of the solute on an impermeable substrate is proposed. The model extends the work by Deegan, Fischer and Kuerten by taking into account convection, diffusion and adsorption of the solute in order to describe more accurately the surface coverage on the substrate. A spherically shaped droplet is considered such that the model can be formulated as an axially symmetric problem. The droplet dynamics is driven by the combined action of surface tension and evaporation. The fluid flow in the droplet is modeled by the Navier–Stokes equation and the continuity equation, where the lubrication approximation is applied. The rate of evaporation is determined by the distribution of vapor pressure in the air surrounding the droplet. Numerical results are compared with experimental results for droplets of various sizes.

AB - In this paper we study the behavior of an inkjet-printed droplet of a solute dissolved in a solvent on a solid horizontal surface by numerical simulation. An extended model for drying of a droplet and the final distribution of the solute on an impermeable substrate is proposed. The model extends the work by Deegan, Fischer and Kuerten by taking into account convection, diffusion and adsorption of the solute in order to describe more accurately the surface coverage on the substrate. A spherically shaped droplet is considered such that the model can be formulated as an axially symmetric problem. The droplet dynamics is driven by the combined action of surface tension and evaporation. The fluid flow in the droplet is modeled by the Navier–Stokes equation and the continuity equation, where the lubrication approximation is applied. The rate of evaporation is determined by the distribution of vapor pressure in the air surrounding the droplet. Numerical results are compared with experimental results for droplets of various sizes.

KW - EWI-23814

KW - Adsorption

KW - Evaporation

KW - IR-87535

KW - Droplet

KW - Spreading

KW - METIS-300071

KW - Fluid Dynamics

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