General equation describing wetting of rough surfaces

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Abstract

The problem of wetting is discussed in the framework of the variational approach. Derivation of the general equation describing the wetting of rough chemically homogenous surfaces is presented. The equation considers effects related to the line tension at the perimeter of the drop and at the details of the relief. The equation comprises as particular cases the Cassie and Wenzel equations and the equation proposed recently by Wong and Ho.

Original languageEnglish
Pages (from-to)317-319
Number of pages3
JournalJournal of Colloid and Interface Science
Volume360
Issue number1
DOIs
StatePublished - 1 Aug 2011

Keywords

  • Cassie wetting
  • Line tension
  • Rough surfaces
  • Transversality conditions
  • Variational approach
  • Wenzel wetting
  • Wetting

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