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Modelling the influence of wetting properties on the solid liquid impact
KTH, Skolan för teknikvetenskap (SCI), Centra, Linné Flow Center, FLOW. KTH, Skolan för teknikvetenskap (SCI), Mekanik, Fysiokemisk strömningsmekanik.ORCID-id: 0000-0003-2830-0454
KTH, Skolan för teknikvetenskap (SCI), Centra, Linné Flow Center, FLOW. KTH, Skolan för teknikvetenskap (SCI), Mekanik, Fysiokemisk strömningsmekanik.ORCID-id: 0000-0003-3336-1462
2008 (engelsk)Inngår i: PROCEEDINGS OF THE 6TH INTERNATIONAL CONFERENCE ON NANOCHANNELS, MICROCHANNELS, AND MINICHANNELS, PTS A AND B, NEW YORK: AMER SOC MECHANICAL ENGINEERS , 2008, s. 1915-1917Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The impact of a solid object on a free liquid surface is quite complex. This problem has challenged researchers for centuries and remains of interest today. Recently Duez et al. [1] published experimental results on the splash when a solid sphere enters a liquid Surprisingly, a small change in the surface chemistry of the object can turn a big splash into an inconspicuous disappearance and vice versa. We study this problem by solving the Navier-Stokes together with the Cahn-Hilliard equations, [2, 3], which allows us to simulate the motion of a free air-water surface in detail, in the presence of surface tension and dynamic wetting. Quantitative computational modeling of dynamic wetting is difficult in itself, but here the use of this tool allows us to study in detail how the wetting properties determine whether a splash appears or not. Our simulated results are compared with the experiments of Duez et al.

sted, utgiver, år, opplag, sider
NEW YORK: AMER SOC MECHANICAL ENGINEERS , 2008. s. 1915-1917
Emneord [en]
WATER-ENTRY, INTERFACE, EXIT
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-31284DOI: 10.1115/ICNMM2008-62216ISI: 000262925200244Scopus ID: 2-s2.0-77952589099ISBN: 978-0-7918-4834-0 (tryckt)OAI: oai:DiVA.org:kth-31284DiVA, id: diva2:403192
Konferanse
6th International Conference on Nanochannels, Microchannels, and Minichannels, Darmstadt, GERMANY, JUN 23-25, 2008
Merknad
QC 20110311Tilgjengelig fra: 2011-03-11 Laget: 2011-03-11 Sist oppdatert: 2011-03-11bibliografisk kontrollert

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