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  Impact of a high-speed train of microdrops on a liquid pool.

Bouwhuis, W., Huang, X., Chan, C. U., Frommhold, P. E., Ohl, C. D., Lohse, D., et al. (2016). Impact of a high-speed train of microdrops on a liquid pool. Journal of Fluid Mechanics, 792, 850-868. doi:10.1017/jfm.2016.105.

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Bouwhuis, W., Autor
Huang, X., Autor
Chan, C. U., Autor
Frommhold, P. E., Autor
Ohl, C. D., Autor
Lohse, Detlef1, Autor           
Snoeijer, J. H., Autor
van der Meer, D., Autor
Affiliations:
1Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063285              

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Schlagwörter: drops; drops and bubbles; microfluidics
 Zusammenfassung: A train of high-speed microdrops impacting on a liquid pool can create a very deep and narrow cavity, reaching depths more than 1000 times the size of the individual drops. The impact of such a droplet train is studied numerically using boundary integral simulations. In these simulations, we solve the potential flow in the pool and in the impacting drops, taking into account the influence of liquid inertia, gravity and surface tension. We show that for microdrops the cavity shape and maximum depth primarily depend on the balance of inertia and surface tension and discuss how these are influenced by the spacing between the drops in the train. Finally, we derive simple scaling laws for the cavity depth and width.

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Sprache(n): eng - English
 Datum: 2016-03-082016-04
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1017/jfm.2016.105
 Art des Abschluß: -

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Titel: Journal of Fluid Mechanics
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 792 Artikelnummer: - Start- / Endseite: 850 - 868 Identifikator: -