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The Impact of Ink-Jet Droplets on a Paper-Like Structure

M. Do-Quang1, A. Carlson1, G. Amberg1
Linné Flow Centre, Department of Mechanical, Royal Institute of Technology, Stockholm, 100 44SWEDEN. Email: minh@mech.kth.se

Fluid Dynamics & Materials Processing 2011, 7(4), 389-402. https://doi.org/10.3970/fdmp.2011.007.389

Abstract

Inkjet technology has been recognized as one of the most successful and promising micro-system technologies. The wide application areas of printer heads and the increasing demand of high quality prints are making ink consumption and print see-through important topics in the inkjet technology. In the present study we investigate numerically the impact of ink droplets onto a porous material that mimics the paper structure. The mathematical framework is based on a free energy formulation, coupling the Cahn-Hilliard and Navier Stokes equations, for the modelling of the two-phase flow. The case studied here consists of a multiphase flow of air-liquid along with the interaction between a solid structure and an interface. In order to characterize the multiphase flow characteristics, we investigate the effects of surface tension and surface wettability on the penetration depth and spreading into the paper-like structure.

Keywords

Multiphase flow, wetting surface, droplet impact, Cahn-Hilliard.

Cite This Article

Do-Quang, M., Carlson, A., Amberg, G. (2011). The Impact of Ink-Jet Droplets on a Paper-Like Structure. FDMP-Fluid Dynamics & Materials Processing, 7(4), 389–402.



This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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