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An Apparatus for the Study of Surface Longitudinal Waves at the Air/Water Interface

✍ Scribed by Qiang Jiang; Y.C. Chiew; J.E. Valentini

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
186 KB
Volume
159
Category
Article
ISSN
0021-9797

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✦ Synopsis

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. (1) 1993 Academic Press, Inc.

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