Mechanism of Contact Line Movement of a Droplet Spreading over a Solid Surface

Research output: Contribution to journalConference article

Abstract

The contact line movement, advancing and receding, of the distilled water droplet was studied on the polished and laser patterned aluminum surfaces. The obtained dependences of the dynamic contact angles on the contact line speed were fitted by the combined theory consisting of molecular-kinetic and hydrodynamic theories. Results obtained on laser patterned surface are found to fit better to the theory in comparison with polished surface. The assumption was made that this result is connected with the low contact angle hysteresis on the patterned surface compared to the polished one. It means that combined theory does not consider the contact angle hysteresis.

Original languageEnglish
Article number01026
JournalMATEC Web of Conferences
Volume91
DOIs
Publication statusPublished - 20 Dec 2016
Event4th International Youth Forum on Smart Grids 2016 - Tomsk, Russian Federation
Duration: 10 Oct 201614 Oct 2016

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Contacts (fluid mechanics)
Contact angle
Hysteresis
Lasers
Aluminum
Hydrodynamics
Kinetics
Water

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Engineering(all)

Cite this

Mechanism of Contact Line Movement of a Droplet Spreading over a Solid Surface. / Feoktistov, Dmitry V.; Orlova, Evgeniya G.; Islamova, Anastasia G.

In: MATEC Web of Conferences, Vol. 91, 01026, 20.12.2016.

Research output: Contribution to journalConference article

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AB - The contact line movement, advancing and receding, of the distilled water droplet was studied on the polished and laser patterned aluminum surfaces. The obtained dependences of the dynamic contact angles on the contact line speed were fitted by the combined theory consisting of molecular-kinetic and hydrodynamic theories. Results obtained on laser patterned surface are found to fit better to the theory in comparison with polished surface. The assumption was made that this result is connected with the low contact angle hysteresis on the patterned surface compared to the polished one. It means that combined theory does not consider the contact angle hysteresis.

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