Abstract
A simple theory has been worked out for the complex and frequency-dependent nature of the volume viscosity of a liquid. This is related to the absorption and dispersion (variation of velocity with frequency) of compressional waves in the liquid. It is found that the particles that execute simple harmonic motion, on the application of an ultrasonic wave to the medium, are not single molecules but groups of molecules known as cells. Calculated values of the ultrasonic absorption and velocity, made on the basis of the present theory, are found to agree reasonably well with the existing ultrasonic data pertaining to nonassociated liquids.
Publisher
Canadian Science Publishing
Subject
General Physics and Astronomy
Cited by
4 articles.
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