An apparatus for the study of surface longitudinal waves at the air/water interface

Qiang Jiang, Y. C. Chiew, J. E. Valentini

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Abstract

An apparatus used to study air/water interfacial surface viscoelasticity through longitudinal waves is described. The longitudinal surface waves are generated by an oscillating barrier driven by a small DC motor and detected with a capillary wave. The damping coefficient and the wavenumber of the longitudinal wave are measured simultaneously by using a “double lock-in” technique. Experimental results of interfacial viscoelasticity for C12E6 (hexaethyleneglycol mono n-dodecyl ether) are reported.

Original languageEnglish (US)
Pages (from-to)477-480
Number of pages4
JournalJournal of Colloid And Interface Science
Volume159
Issue number2
DOIs
Publication statusPublished - Sep 1993

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Colloid and Surface Chemistry

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