Contact angles of rotating sessile droplets

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19 Scopus citations


The paper proposes a general framework allowing the analysis of wetting problems in the situation where a sessile drop is placed on a rotating substrate. Wetting of ideal, rough and chemically heterogeneous surfaces by sessile rotating droplets is treated. The effect of the line tension is considered. The problem of wetting is discussed in the framework of a variational approach. It is demonstrated that the Young, Wenzel and Cassie equilibrium contact angles are independent of the rotation of a substrate as well as external fields.

Original languageEnglish
Pages (from-to)38-41
Number of pages4
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
StatePublished - 5 Sep 2013


  • Cassie and Wenzel models
  • Contact angle
  • External fields
  • Rotating substrate
  • Transversality conditions
  • Wetting


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