Marangoni driven generation of micro-droplets from water-alcohol mixtures on a substrate liquid

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Abstract

The present paper discusses a special type of solutal driven Marangoni flow. It was previously shown that certain combinations of substrate liquids plus alcohol-water mixtures can lead to the production of a large number of micro droplets. The size and spreading radius of the micro-droplets can be manipulated by the concentration of the alcohol. As the experimental setup is very easy to reproduce it can (i) serve as a simple test case for student courses to discuss various aspects of Marangoni flow and (ii) could be elaborated as a convenient way to produce droplets of a certain size in future micro-fluidic applications.
Original languageEnglish
Title of host publicationProceedings of the 20th International Symposium on Flow Visualization (ISFV)
Place of PublicationDelft
Number of pages2
Publication statusPublished - Jul 2023

Fields of science

  • 203 Mechanical Engineering

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