Micro droplet formation towards continuous nanoparticles synthesis

Marek Wojnicki, Magdalena Luty-Blocho, Volker Hessel, Edit Csapó, Ditta Ungor, Krzysztof Fitzner

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)
46 Downloads (Pure)

Abstract

In this paper, micro droplets are generated in a microfluidic focusing contactor and then they move sequentially in a free-flowing mode (no wall contact). For this purpose, two different micro-flow glass devices (hydrophobic and hydrophilic) were used. During the study, the influence of the flow rate of the water phase and the oil phase on the droplet size and size distribution was investigated. Moreover, the influence of the oil phase viscosity on the droplet size was analyzed. It was found that the size and size distribution of the droplets can be controlled simply by the aqueous phase flow rate. Additionally, 2D simulations to determine the droplet size were performed and compared with the experiment.

Original languageEnglish
Article number248
JournalMicromachines
Volume9
Issue number5
DOIs
Publication statusPublished - 18 May 2018

Keywords

  • Comsol Multiphysics
  • Droplets
  • Microreactor
  • Sequential flow
  • Simulations of 2D flow
  • Two-phase flow

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